{"title":"Packing Puzzles","description":"\u003cp\u003eThe goal is simple. Fit all the pieces inside the box.\u003c\/p\u003e\n\n\u003cp\u003eYou'll spend the next two hours discovering that simple and easy are not the same thing.\u003c\/p\u003e\n\n\u003cp\u003eA packing puzzle is a spatial geometry problem in physical form. The pieces look like they should fit. They almost fit. They fit in every configuration except the right one - until suddenly, satisfyingly, they do. That moment is what the whole thing is built for.\u003c\/p\u003e\n\n\u003ch2\u003eWhy packing puzzles are different\u003c\/h2\u003e\n\n\u003cp\u003eMost puzzles give you a picture to work toward. Packing puzzles give you a box and a pile of pieces. The solution exists - it's precise, it's elegant, and it's completely non-obvious until you find it.\u003c\/p\u003e\n\n\u003cp\u003eThe designers behind these puzzles are some of the best in the world. \u003ca href=\"\/collections\/osanori-yamamoto\"\u003eOsanori Yamamoto\u003c\/a\u003e's \"hide the holes\" series looks minimal and produces some of the most brutal solve experiences in the catalog. \u003ca href=\"\/collections\/frederic-boucher\"\u003eFrederic Boucher\u003c\/a\u003e's gravity-defying designs introduce a physical constraint that changes everything. \u003ca href=\"\/collections\/lucie-pauwels\"\u003eLucie Pauwels\u003c\/a\u003e and \u003ca href=\"\/collections\/alexander-magyarics\"\u003eAlexander Magyarics\u003c\/a\u003e each bring a geometric precision that makes you wonder how the solution was ever found in the first place.\u003c\/p\u003e\n\n\u003cp\u003eThese aren't toys. They're problems worth solving.\u003c\/p\u003e\n\n\u003ch2\u003eWhat Is a Packing Puzzle?\u003c\/h2\u003e\u003cp\u003eA packing puzzle is a physical puzzle where every piece has to fit inside a defined space - a tray, a frame, a box, or a three dimensional form. The rules are always the same three: use all the pieces, stay inside the boundary, and leave nothing sticking out.\u003c\/p\u003e\u003cp\u003eWhat makes them hard is that the container is never generous. A packing puzzle is designed so the obvious arrangements fail. Pieces that look like they belong side by side do not. Space that looks wasted turns out to be the only place the last piece can go. There is usually exactly one solution, and the puzzle is built specifically so your first instinct is not it.\u003c\/p\u003e\u003cp\u003eThey are popular with adults because they are honest. No electronics, no hidden catches, no rulebook. You can see the entire problem the moment you open the box, and it still takes hours.\u003c\/p\u003e\u003ch2\u003e2D and 3D Packing Puzzles\u003c\/h2\u003e\u003cp\u003eFlat packing puzzles use a tray or frame. Every piece lies on one plane and the challenge is purely about arrangement - which is harder than it sounds, because there is nowhere to hide a mistake. Jigsaw Traffic and Galette are good examples.\u003c\/p\u003e\u003cp\u003eThree dimensional packing puzzles use a box, and add stacking and orientation to the problem. A piece can be correct in shape and still wrong in rotation. Some of these are called stacking puzzles, and this is where the longest solve times live.\u003c\/p\u003e\u003cp\u003eA third group adds a mechanical constraint on top. Frederic Boucher's gravity defying designs will not let a piece rest where physics says it should, and the MINIMA series adds a sliding restriction so pieces must enter in a specific order. The packing problem is the same. The route to it is not.\u003c\/p\u003e\u003ch2\u003eFinding your level\u003c\/h2\u003e\n\n\u003cp\u003eNew to packing puzzles? Start with a 2 or 3-piece puzzle - deceptively simple, genuinely satisfying. Already solved a few? The 5 and 6-piece designs are where the real difficulty begins. The \u003ca href=\"\/collections\/hard-puzzles\"\u003ehard puzzles\u003c\/a\u003e collection filters to the upper end if you want to go straight there.\u003c\/p\u003e\n\n\u003cp\u003eAll puzzles ship assembled.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\n\n\u003ch3\u003eHow hard are packing puzzles?\u003c\/h3\u003e\n\u003cp\u003eDifficulty ranges from beginner (2-3 pieces, 20-30 minutes) to genuinely expert (6+ pieces, several hours). Each product page includes a difficulty rating and estimated solve time.\u003c\/p\u003e\n\n\u003ch3\u003eAre packing puzzles good gifts?\u003c\/h3\u003e\n\u003cp\u003eYes - especially for spatial thinkers, engineers, architects, and anyone who enjoys a problem with a clean, satisfying solution. They look great on a desk and work as conversation pieces even before they're solved.\u003c\/p\u003e\u003ch3\u003eWhat are some famous packing puzzles?\u003c\/h3\u003e\u003cp\u003eHoffman's packing puzzle, described in 1978, uses 27 identical rectangular blocks that must fit inside a cube whose edge equals the sum of the block's three different side lengths. The Slothouber-Graatsma puzzle asks you to pack six 1x2x2 blocks and three 1x1x1 blocks into a 3x3x3 box, and is famous for how much empty space the solution appears to waste.\u003c\/p\u003e\u003ch3\u003eWhat is the difference between a packing puzzle and an assembly puzzle?\u003c\/h3\u003e\u003cp\u003eA packing puzzle has a container. Your pieces must end up inside a box, tray or frame. An assembly puzzle has no container - the pieces themselves form the finished shape. Interlocking puzzles and burrs are assembly puzzles, not packing puzzles.\u003c\/p\u003e\u003ch3\u003eHow do you solve a packing puzzle?\u003c\/h3\u003e\u003cp\u003eStart with the largest or most awkward piece, since it has the fewest positions available to it. Work out which corners and edges can only be filled one way. Most solvers fail by filling the easy space first and leaving an unusable gap for the final piece, so pay attention to the space you are creating rather than the piece in your hand.\u003c\/p\u003e\u003ch3\u003eDo packing puzzles ship assembled?\u003c\/h3\u003e\u003cp\u003eNo. Packing puzzles arrive with the pieces out of the box, because a solved puzzle in the box would not be a puzzle. Part of the challenge is that you never see the finished arrangement before you find it yourself.\u003c\/p\u003e\u003cp style=\"margin:1.4em 0;font-weight:600;\"\u003eNew to these? \u003ca href=\"\/blogs\/greg-puzzles-blog\/packing-puzzles-explained-history-types-best-picks\"\u003eWhat is a packing puzzle →\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"4l-puzzle","title":"4L Puzzle | Pack 4 L Pieces In Box","description":"\u003cp\u003eThe goal of the 4L Puzzle is to fit the 4 L-shaped pieces inside the restricted box. How hard can it be?\u003c\/p\u003e\u003cp\u003eWell - it's much harder than it looks. Putting three pieces inside is easy, but most people will struggle for HOURS to fit the 4th piece...\u003c\/p\u003e\u003cp\u003e...That is, if they ever do.\u003c\/p\u003e\u003cp\u003eThe 4L puzzle was awarded an honorable mention in the 2015 International Puzzle Party for its ingenious design.\u003c\/p\u003e\u003cp\u003eDesigned by \u003ca href=\"\/collections\/yasuhiro-hashimoto\"\u003eYasuhiro Hashimoto\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eUpdate 1.1: Color changed from Wood \u0026amp; Red to Marble \u0026amp; Turquoise, strengthened lid durability.\u003c\/p\u003e\u003ch2\u003eWho Is This For?\u003c\/h2\u003e\u003cp\u003ePerfect for adults who love a deceptively simple challenge. A crowd-pleasing gift that fits in a pocket but delivers hours of frustration. If you know someone who thinks they are good at puzzles - this is the one to test that theory.\u003c\/p\u003e\u003ch2\u003ePuzzle Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Expert\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePieces:\u003c\/strong\u003e 4 L-shaped pieces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 3D-printed PLA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest For:\u003c\/strong\u003e Ages 14+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAward:\u003c\/strong\u003e Honorable Mention, 2015 International Puzzle Party\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat Makes It Hard?\u003c\/h2\u003e\u003cp\u003eFour identical L-shaped pieces. One small box. It sounds like it should work - until it doesn't. Every time you get three pieces settled, the fourth refuses to cooperate. The geometry feels wrong in every orientation you try.\u003c\/p\u003e\u003cp\u003eThat's not an accident. The solution requires a spatial insight that most people never consider - because nothing in everyday experience prepares you for it. When it finally clicks, the reaction is always the same: disbelief, then a big grin.\u003c\/p\u003e\u003cp\u003eThat moment is the whole point of this puzzle. It's not about brute force. It's about seeing something you couldn't see before.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThink you can crack it? Add to cart and prove it.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46200056348839,"sku":"GP-4L","price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/4l_puzzle_marble.png?v=1781968139"},{"product_id":"galette","title":"Galette | Pack 5 Tetrominoes in Frame","description":"\u003cp\u003eGalette is a 3D packing puzzle with a simple goal - pack all 5 tetromino pieces inside the box. But a simple goal doesn't mean an easy solution.\u003c\/p\u003e\u003cp\u003eA tetromino piece is made of 4 voxels, or 4 cubes attached together.\u003c\/p\u003e\u003cp\u003eThere are 2 openings - a wide one from the top and a small one from the side.\u003c\/p\u003e\u003cp\u003eHowever, this small restriction changes everything: not only is it blocking the pieces' way inside, but also restricts their path inside the box while hiding them from your vision.\u003c\/p\u003e\u003cp\u003eThis simple addition turns Galette into a considerable challenge. Do you think you can solve it?\u003c\/p\u003e\u003ch2\u003ePuzzle Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Hard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePieces:\u003c\/strong\u003e 5 tetromino pieces (4 voxels each)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 3D-printed PLA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpenings:\u003c\/strong\u003e 2 (top wide, side narrow)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest For:\u003c\/strong\u003e Ages 14+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended for:\u003c\/strong\u003e puzzle gift, desk toy, brain teaser\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho Is This For?\u003c\/h2\u003e\u003cp\u003eGalette is a perfect gift for math lovers, Tetris fans, and puzzle collectors - anyone who appreciates a clean design hiding a genuinely difficult challenge. If you know someone who thinks they've seen every packing puzzle, this one will surprise them. It belongs on a desk, a shelf, or under a gift wrap.\u003c\/p\u003e\u003ch2\u003eWhy Is It So Hard?\u003c\/h2\u003e\u003cp\u003eThe top opening looks generous enough - and for the first few pieces, it is. But the side opening changes the rules entirely. It forces certain pieces through a narrow path, which means your usual stacking instincts stop working. Pieces that fit perfectly from above simply won't cooperate when the side constraint is in play. You have to think in three dimensions, rethink orientations you've already dismissed, and stay patient when every attempt seems almost right. Almost.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eDesigned by \u003ca href=\"\/collections\/osanori-yamamoto\"\u003eOsanori Yamamoto\u003c\/a\u003e\u003c\/em\u003e\u003cbr\u003eThe puzzle measures 8.5 cm x 8.5 cm x 2.5 cm\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReady to be stumped? Add Galette to your cart.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46500536615079,"sku":"GP-GALE","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/galette_marble.png?v=1782028494"},{"product_id":"alpacka-1","title":"Alpacka 1 | Pack 6 Pieces In Frame","description":"\u003cp\u003eAlpacka 1 is a puzzle with a simple goal - pack all the pieces inside. \u003c\/p\u003e\n\u003cp\u003eThanks to the build of the pieces, this puzzle acts as a maze too - where most dead-ends are not in the puzzle, but inside your head. \u003c\/p\u003e\n\u003cp\u003eEnjoy the moves and plan your way to get the pieces inside the frame!\u003c\/p\u003e\n\u003cp\u003eUPDATE 1.1 - New Colors!\u003c\/p\u003e\n\n\u003cp\u003eWhat's special about Alpacka 1?\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDevelops strategic thinking\u003c\/li\u003e\n\u003cli\u003eLogical planning and imagination\u003c\/li\u003e\n\u003cli\u003eDimensional reasoning challenge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by \u003ca href=\"\/collections\/alexander-magyarics\"\u003eAlexander Magyarics\u003c\/a\u003e\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46538358489255,"sku":"GP-ALPA1","price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/alpacka_1_marble.png?v=1782042727"},{"product_id":"tenchi-puzzle","title":"Tenchi Puzzle | The Gravity-Defying Packing Puzzle","description":"\u003cp\u003e\u003cstrong\u003eThe Tenchi is a gravity-defying expert packing puzzle. Your goal: fit 9 pieces into a box so securely that no piece falls out from either opening - top or bottom. 9+1 pieces, Expert difficulty, 4+ hours solve time. Best for experienced puzzlers who want a genuinely unique mechanical challenge.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e experienced puzzle solvers who have conquered standard packing puzzles and want a spatial challenge that adds gravity mechanics to the mix.\u003c\/p\u003e\u003ch2\u003eWhat makes the Tenchi puzzle different?\u003c\/h2\u003e\u003cp\u003eMost packing puzzles ask one thing: fit the pieces in the box. The Tenchi asks something harder. You have to pack the 9 pieces so that nothing falls out - not from the top, not from the bottom. Both openings are exposed. That means the pieces have to interlock in a specific orientation, locking against each other so that gravity has nowhere to win. It is not enough to fill the space. The arrangement itself has to hold. That is the mechanic that makes the Tenchi unlike any standard packing puzzle you have solved before.\u003c\/p\u003e\u003ch2\u003eWhat's special about this puzzle?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGravity-lock mechanic - pieces must resist falling from both ends of the box\u003c\/li\u003e\n\u003cli\u003eImproves spatial imagination\u003c\/li\u003e\n\u003cli\u003eHours of challenging fun\u003c\/li\u003e\n\u003cli\u003eBrilliant solution\u003c\/li\u003e\n\u003cli\u003eDesigned by \u003ca href=\"\/collections\/frederic-boucher\"\u003eFrederic Boucher\u003c\/a\u003e - a friend and long-time Greg Puzzles channel subscriber\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePuzzle specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePieces:\u003c\/strong\u003e 9+1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Expert\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolve time:\u003c\/strong\u003e 4+ hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrains:\u003c\/strong\u003e Spatial Thinking\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow does the Tenchi puzzle work?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eYour goal is to pack all 9 pieces into a box that is open at both ends - top and bottom. The pieces have to be arranged so that nothing falls out from either opening. That means you are not just filling space. You are finding an orientation where the pieces interlock and hold each other in place against gravity. It is a mechanical challenge as much as a spatial one.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow hard is the Tenchi puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eIt is rated Expert. Most people will spend well over 4 hours on it. The complication is not just finding a configuration that fits - it is finding one that locks. Every time you think you are close, gravity reminds you that close is not good enough.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eIs the Tenchi a good puzzle for someone who has solved packing puzzles before?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eYes - and honestly, it is one of the best next steps you can take. If standard packing puzzles feel solved, the Tenchi adds a dimension that changes everything. The gravity mechanic means your existing spatial instincts will only get you partway there. The rest you have to discover from scratch.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWho do you recommend this puzzle for?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eI recommend the Tenchi for puzzlers who already have a few packing puzzles under their belt and are looking for something that genuinely surprises them. If you can solve an expert packing puzzle and still feel like you understand how it works, this one will humble you. It is the puzzle I point to when someone says they want a real challenge - not just a hard one, but a different one.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46593725956263,"sku":"GP-TENC","price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/tenchi_marble.png?v=1782036017"},{"product_id":"baby-puzzle","title":"Baby Puzzle | Easy 2-Piece Jigsaw","description":"\u003ch2\u003eQuick Summary\u003c\/h2\u003e\n\n\u003cp\u003eThe Baby Puzzle is a deceptively simple 2-piece jigsaw puzzle designed to challenge your spatial intuition. Your goal: pack both curved jigsaw pieces into the tray. It looks effortless - it isn't. Easy difficulty, 2 pieces, 5-30 min solve time. Designed by Katarn.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e first-time puzzle solvers, beginners, or anyone looking for a satisfying entry into mechanical puzzles or a playful gift.\u003c\/p\u003e\n\n\u003ch2\u003eOnly 2 Pieces. How Hard Can It Be?\u003c\/h2\u003e\n\n\u003cp\u003eThat's exactly what most people think. Then they spend ten minutes rotating the same piece in circles wondering what they're missing.\u003c\/p\u003e\n\n\u003cp\u003eThe Baby Puzzle uses two asymmetric jigsaw shapes that look like they should drop right in - but spatial intuition doesn't always agree with reality. Getting the orientation right requires a small but genuine mental shift. And when it clicks? That moment of discovery is genuinely rewarding.\u003c\/p\u003e\n\n\u003cp\u003eSimple goal, real challenge, satisfying solve.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Experience\u003c\/h2\u003e\n\n\u003cp\u003eThe pieces are 3D printed with a clean, tactile finish - solid in your hands, not flimsy. You'll feel the weight of a well-made object the moment you pick it up. As you work through the orientations, there's a growing sense that you're close - and then the two pieces settle flat into the tray with a satisfying click that makes the whole thing worth it.\u003c\/p\u003e\n\n\u003cp\u003eThat click is the payoff.\u003c\/p\u003e\n\n\u003cp\u003eIt sounds easy. The spatial challenge surprises most solvers. The simplicity is exactly what makes it work.\u003c\/p\u003e\n\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\n\u003cp\u003ePieces: 2 | Difficulty: Easy | Solve time: 5-30 minutes | 3D printed | Trains: Spatial Thinking | Size: Compact, travel-friendly | Ships assembled\u003c\/p\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eIs this a good starter puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eYes - it's our most beginner-friendly puzzle, ideal for someone trying a mechanical puzzle for the first time. The goal is simple and the solve is rewarding without being frustrating.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is the Baby Puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eA 2-piece jigsaw puzzle where your goal is to pack both pieces flat into a small tray. Sounds easy - the spatial challenge surprises most solvers.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow long does it take to solve?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eMost first-time solvers crack it in 5-30 minutes, making it perfect for a quick puzzle fix or introducing someone new to mechanical puzzles.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46738701811879,"sku":"GP-BABY","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/baby_puzzle_marble.png?v=1781972086"},{"product_id":"four-fit-puzzle","title":"Four Fit | Brutal 4-Piece Packing","description":"\u003cp\u003e\u003cstrong\u003eQuick answer:\u003c\/strong\u003e Four Fit is a 4-piece packing puzzle by \u003ca href=\"\/collections\/stewart-coffin\"\u003eStewart Coffin\u003c\/a\u003e, one of the most influential mechanical puzzle designers in history. Hard difficulty, 1-4 hour solve. Four pieces, one frame, and a single ingenious solution that punishes assumption and rewards patient spatial thinking.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e experienced solvers who want a compact puzzle that'll actually stump them for hours, collectors adding a Stewart Coffin design to their shelf, and puzzle enthusiasts drawn to puzzles where the piece count looks trivial but the solve isn't.\u003c\/p\u003e\n\u003cp\u003eThis 4-piece packing puzzle also packs a punch.\u003c\/p\u003e\n\u003cp\u003eIt took me YEARS to figure it out, and now it's your turn to try. \u003c\/p\u003e\n\u003cp\u003eThe goal of this classic puzzle is very simple - pack the four pieces inside the frame.\u003c\/p\u003e\n\u003cp\u003eThink you can do it?\u003c\/p\u003e\n\u003cp\u003eWhat's special about this puzzle?\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSurprisingly Difficult\u003c\/li\u003e\n\u003cli\u003eHours of Challenging fun\u003c\/li\u003e\n\u003cli\u003eIngenious solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by Stewart Coffin\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is Four Fit?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eFour Fit is a Hard-difficulty packing puzzle designed by Stewart Coffin. Four oddly-shaped pieces must be packed into a small frame. The setup looks trivial - it isn't. Most solvers spend 1-4 hours finding the one arrangement that works.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWho is Stewart Coffin?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eStewart Coffin is one of the most celebrated mechanical puzzle designers of the past century. His designs are known for elegant single-solution puzzles where a seemingly simple setup hides a genuinely difficult challenge. Four Fit is a textbook example of his style.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhy is Four Fit so hard?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eWith only 4 pieces, nearly every arrangement you try will look like it should work - until it doesn't quite fit. The frame adds a geometric constraint that defeats trial-and-error. The only way through is spatial reasoning: understanding how the pieces relate to each other before you commit to a position.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eIs Four Fit a good gift for a puzzle enthusiast?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eYes - especially for someone who already enjoys packing puzzles or Stewart Coffin's work. It's compact, looks great on a desk, and the Hard difficulty means the recipient will spend real time with it rather than solving it in one sitting. It's a puzzle they'll keep coming back to.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46738770952359,"sku":"GP-FOURFIT","price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/four_fit_marble.png?v=1782069709"},{"product_id":"pieces-of-8-puzzle","title":"Pieces Of 8 | Mind-Boggling Tray Puzzle","description":"\u003cp\u003e\u003cstrong\u003eQuick Summary:\u003c\/strong\u003e Pieces of 8 is a 3D-printed tray packing puzzle designed by legendary puzzle designer \u003ca href=\"\/collections\/stewart-coffin\"\u003eStewart Coffin\u003c\/a\u003e. Fit 8 geometrically complex pieces into a frame - harder than it looks. Hard difficulty, 8+1 pieces, 1-4 hour solve time. Best for: advanced puzzle solvers who enjoy dissection challenges and appreciate designer puzzle pedigree.\u003c\/p\u003e\u003cp\u003eThis puzzle only looks easy when assembled.\u003c\/p\u003e\u003cp\u003eCan you fit all the pieces inside the frame?\u003c\/p\u003e\u003cp\u003eThe tricky dissection of the pieces makes this a multidimensional challenge, stumping even the sharpest thinkers.\u003c\/p\u003e\u003ch2\u003eWhy Is Pieces of 8 So Challenging?\u003c\/h2\u003e\u003cp\u003eMost packing puzzles look simple until you try them. Pieces of 8 uses 8 uniquely shaped pieces with a dissection that defies intuition - standard spatial reasoning strategies break down fast. The pieces are designed to mislead, with no single obvious starting point. Even solvers who have completed hard packing puzzles report being genuinely stumped. That is the Stewart Coffin signature: elegant design that hides brutal difficulty.\u003c\/p\u003e\u003ch2\u003eWhat's Special About This Puzzle?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAdvanced spatial imagination required\u003c\/li\u003e\n\u003cli\u003eHours of challenging fun\u003c\/li\u003e\n\u003cli\u003eSatisfying to solve\u003c\/li\u003e\n\u003cli\u003eDesigned by the legendary puzzle designer Stewart Coffin\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e experienced puzzle solvers, fans of Stewart Coffin designs, and collectors looking for a hard packing puzzle with serious replay value.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e 8+1 pieces | Hard difficulty | 1-4 hr solve time | Designed by Stewart Coffin | Trains: Spatial Thinking\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is a tray packing puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eA tray packing puzzle (also called a frame packing puzzle) challenges you to fit all pieces flat inside a framed tray with no gaps. Unlike 3D packing puzzles, the challenge is 2D - but the piece shapes are specifically designed to make every obvious solution fail.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow hard is the Pieces of 8 puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003ePieces of 8 is rated Hard difficulty with a typical solve time of 1-4 hours. It is not recommended as a first puzzle - it is best suited to solvers who have already completed medium-difficulty packing or interlocking puzzles.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWho designed the Pieces of 8 puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003ePieces of 8 was designed by Stewart Coffin, one of the most celebrated mechanical puzzle designers in history, known for creating geometrically elegant puzzles that are deceptively difficult to solve.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46738779308199,"sku":"GP-8","price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/pieces_of_8_marble.png?v=1782035410"},{"product_id":"trimini-frame-puzzle","title":"Trimini Frame | Gravity-Lock","description":"\u003cp\u003eThe Trimini Frame is a 3D-printed packing puzzle with a gravity-lock rule: pieces must be arranged so they remain locked inside the frame even when the frame is shaken side to side - fitting alone is not enough.\u003c\/p\u003e\u003ch2\u003eWhy Gravity-Lock Changes Everything\u003c\/h2\u003e\u003cp\u003eIn a standard packing puzzle, getting the pieces to fit is the finish line. Here, it is just the beginning - because a solution that fits perfectly can still fail the moment you shake the frame. That single constraint multiplies the difficulty dramatically, forcing you to think about stability and weight distribution, not just shape.\u003c\/p\u003e\u003ch2\u003eMultiple Fits, One Correct Lock\u003c\/h2\u003e\u003cp\u003eYou will likely find arrangements where all the pieces sit inside the frame just fine. Most of them are wrong. Only specific configurations satisfy the gravity-lock condition - and figuring out which ones do is the real puzzle.\u003c\/p\u003e\u003ch2\u003eWho Is This For?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntermediate puzzlers\u003c\/strong\u003e ready for a challenge beyond standard packing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineers and constraint-based thinkers\u003c\/strong\u003e who enjoy rules that redefine the problem\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGift buyers\u003c\/strong\u003e looking for something memorable, unusual, and genuinely hard to forget\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Frame packing puzzle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstraint:\u003c\/strong\u003e Gravity-lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Intermediate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersion:\u003c\/strong\u003e 1.1 - improved colors\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDesigned by \u003ca href=\"\/collections\/lucie-pauwels\"\u003eLucie Pauwels\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"#\" title=\"Add to Cart\"\u003e\u003cstrong\u003eAdd to Cart - Think You Can Lock It?\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46738802901159,"sku":"GP-TRIMFRAM","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/trimini_frame_marble.png?v=1782071326"},{"product_id":"shrinking-soma","title":"Shrinking Soma | Anti-Slide Puzzle","description":"\u003cp\u003e\u003cstrong\u003eShrinking Soma is a 7-piece expert-level anti-slide packing puzzle designed by \u003ca href=\"\/collections\/dr-volker-latussek\"\u003eDr. Volker Latussek\u003c\/a\u003e. Using standard Soma Cube pieces, you must fill a 4x4x4 space so the opening is sealed and the structure won't shift when shaken. Difficulty: Expert. Solve time: 4+ hours. Trains: Creativity.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e experienced puzzle solvers who have already conquered standard Soma Cubes and want a structural challenge that adds a physics constraint to a familiar format.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecs at a Glance:\u003c\/strong\u003e 7 pieces + 1 box | Expert | 4+ hrs solve time | Trains: Creativity.\u003c\/p\u003e\u003ch2\u003eThe Concept\u003c\/h2\u003e\u003cp\u003eShrinking Soma is a brilliant idea by Dr. Volker Latussek. Using standard Soma Cube pieces, create a structure that will fill a 4x4x4 space.\u003c\/p\u003e\u003cp\u003eTo solve the puzzle, 2 conditions must be met: first, the opening needs to be completely filled. Second, if you shake the puzzle to the sides, the structure must not fall apart.\u003c\/p\u003e\u003cp\u003eThis limitation creates a peculiar experience for a seemingly simple problem. Harder than it looks!\u003c\/p\u003e\u003cp\u003eSize: 65mm x 65mm x 65mm\u003c\/p\u003e\u003ch2\u003eWhat Makes It Different\u003c\/h2\u003e\u003cp\u003eMost packing puzzles ask one question: does it fit? Shrinking Soma asks two at once. You need complete coverage of the opening AND a structure stable enough to survive shaking. That dual-condition requirement makes brute-force trial and error close to useless. You have to think about weight distribution, piece orientation, and structural integrity simultaneously - not just whether the geometry works out on paper. That changes everything about how you approach the solve.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow hard is Shrinking Soma?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eExpert level - rated 4+ hours. The dual-condition requirement (seal the opening AND prevent sliding) makes it significantly harder than typical 7-piece packing puzzles.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is the Soma Cube format?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eSoma Cube pieces are irregular 3D shapes made from unit cubes. Shrinking Soma uses these familiar pieces in an unfamiliar challenge: packing them so the result is structurally stable, not just geometrically complete.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eIs Shrinking Soma a good gift for a puzzle expert?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eYes - it's one of the most conceptually inventive puzzles in the Greg Puzzles catalog, ideal for solvers who want something beyond a standard packing challenge.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":47128862392487,"sku":"GP-SHRISOMA","price":31.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/shrinking_soma_marble.png?v=1782034736"},{"product_id":"6n-puzzle","title":"6N Puzzle | Hide the Holes","description":"\u003cp\u003e\u003cstrong\u003e6N is an expert-level 3D packing puzzle designed by \u003ca href=\"\/collections\/osanori-yamamoto\"\u003eOsanori Yamamoto\u003c\/a\u003e. Using 6 identical N-shaped pieces, your goal is to fill the cage so that every entrance is completely covered - no gaps, no exposed holes. 6 pieces, Expert difficulty, 4+ hours solve time. One of the most elegant same-piece packing puzzles ever designed.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e adults who enjoy deep spatial reasoning and long, meditative solving sessions - especially fans of designer puzzles and Osanori Yamamoto's work.\u003c\/p\u003e\u003cp\u003eBuilding a cube from identical pieces sounds straightforward. It isn't. The genius of 6N is that every N-shaped piece is a mirror of the same logic - and the cage's covered-entrance constraint eliminates almost every intuitive approach you'll try. Most solvers spend hours convinced they're close. They're not.\u003c\/p\u003e\u003ch2\u003eWhat Makes 6N Special\u003c\/h2\u003e\u003cp\u003eMost packing puzzles use varied shapes to guide the solver toward the solution. 6N does the opposite. All 6 pieces are truly identical N-shaped forms - no differentiation, no hints, no asymmetry to exploit. That is a serious design constraint, and Osanori Yamamoto turned it into an award-worthy puzzle. 6N was an entry into the Tokyo Puzzle Design Competition in 2025. The victory condition is exact: all 6 pieces packed inside the cage, all 4 entrances fully covered, no piece protruding. Nothing approximate. Either it's solved or it isn't.\u003c\/p\u003e\u003ch2\u003eSpecs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigner:\u003c\/strong\u003e Osanori Yamamoto\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePieces:\u003c\/strong\u003e 6 + 1 (pieces + frame)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Expert\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolve time:\u003c\/strong\u003e 4+ hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrains:\u003c\/strong\u003e Spatial Thinking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 3D-printed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 55mm x 55mm x 55mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is the 6N puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eThe 6N puzzle is an expert-level 3D packing puzzle by Osanori Yamamoto. You must fit 6 identical N-shaped pieces into a cage so that all entrances are covered - no piece may protrude.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow hard is the 6N packing puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eVery hard. Rated Expert difficulty with a typical solve time of 4+ hours. The identical-piece constraint eliminates shortcut thinking and demands pure spatial reasoning.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWho is the 6N puzzle best for?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eSerious puzzle enthusiasts, fans of Osanori Yamamoto's designs, and anyone who wants a long, rewarding solo challenge that tests 3D spatial imagination.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":47305028567207,"sku":"GP-6N","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/6n_marble.png?v=1781970200"},{"product_id":"chain-store","title":"Chain Store Puzzle | Pack Chain in Box","description":"\u003ch2\u003ePack a Chain Flush in the Box\u003c\/h2\u003e\u003cp\u003eChain Store is a packing puzzle designed by \u003ca href=\"\/collections\/goh-pit-khiam\"\u003eGoh Pit Khiam\u003c\/a\u003e. Your goal is simple to state: take a chain of five identical linked pieces and pack it flush into the box. No hidden mechanisms, no trick releases, no shortcuts.\u003c\/p\u003e\u003cp\u003eWell - it sounds straightforward. But the chain changes everything.\u003c\/p\u003e\u003cp\u003eBecause the pieces are linked together and cannot be separated, you can't just place them one at a time. Move one link and you move the whole chain. Try to fold it one way and the geometry fights you. Every adjustment you make to fit one section creates a new problem somewhere else. The chain's limits are real - and figuring out exactly how to work within them is where the puzzle lives.\u003c\/p\u003e\u003cp\u003ePure spatial reasoning. No luck involved.\u003c\/p\u003e\u003ch2\u003eQuick Summary\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Packing puzzle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigner:\u003c\/strong\u003e Goh Pit Khiam\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePieces:\u003c\/strong\u003e One chain of five identical linked pieces plus box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGoal:\u003c\/strong\u003e Pack the chain flush inside the box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Harder than it looks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBox size:\u003c\/strong\u003e 55mm x 65mm x 75mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisassembly:\u003c\/strong\u003e Chain cannot be taken apart\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSolvers who love finding the missing link in a puzzle\u003c\/li\u003e\n\u003cli\u003eChain-of-logic thinkers who prefer geometry over gimmicks\u003c\/li\u003e\n\u003cli\u003eThe person who says \"I can figure this out\" and then discovers they cannot\u003c\/li\u003e\n\u003cli\u003ePuzzlers who like their brain teasers linked, locked, and layered\u003c\/li\u003e\n\u003cli\u003eAnyone drawn to constrained packing problems where the constraint is built into the object itself\u003c\/li\u003e\n\u003cli\u003eA clean desk gift for the engineer or designer who thinks spatially\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow It Works\u003c\/h2\u003e\u003cp\u003eThe five pieces are identical in shape and permanently linked in sequence - like a physical chain. The box is sized to fit them exactly when packed correctly. There is one solution. The challenge is that you cannot manipulate the pieces independently. The chain bends, but only so much. It folds, but only in certain ways. You have to find the configuration that respects every link at once.\u003c\/p\u003e\u003cp\u003eThere are no tricks. The puzzle is entirely about understanding the geometry of the chain and the volume of the box. When it clicks, it clicks cleanly - and you will know immediately.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eCan the chain be taken apart?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eNo. The five links are permanently connected. The puzzle is solved with the chain intact.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eIs there more than one solution?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eNo. There is one correct configuration that packs the chain flush into the box.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow difficult is it?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eMore difficult than the premise suggests. The constraint of the linked pieces makes spatial trial-and-error much harder than a standard loose-piece packing puzzle. Expect a real challenge.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWho designed Chain Store?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eChain Store was designed by Goh Pit Khiam, a puzzle designer known for elegant packing and interlocking designs.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is the box size?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eThe box measures 55mm x 65mm x 75mm.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":47305048522919,"sku":"GP-CHAISTOR","price":31.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/chain_store_marble.png?v=1782034054"},{"product_id":"jigsaw-traffic-puzzle","title":"Jigsaw Traffic Puzzle | Pack 4 Jigsaw Pieces","description":"\u003ch2\u003ePack 4 Jigsaw Pieces Into a Frame That Fights Back\u003c\/h2\u003e\u003cp\u003eJigsaw Traffic is a 3D-printed plastic packing puzzle by designer \u003ca href=\"\/collections\/samuel-cook\"\u003eSamuel Cook\u003c\/a\u003e. The goal is simple to state: fit 4 jigsaw-shaped pieces inside a restricted frame. Getting there is another story.\u003c\/p\u003e\u003cp\u003eThe frame has a designated entrance and internal cutouts. Neither can be used in the final position of the pieces. There are guide lines etched inside the frame to show you the target space - but knowing where the pieces need to end up and actually getting them there are two very different problems.\u003c\/p\u003e\u003cp\u003eRotations are allowed. That sounds like a relief. It is not.\u003c\/p\u003e\u003ch2\u003eQuick Summary\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Packing puzzle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePieces:\u003c\/strong\u003e 4 jigsaw-shaped pieces + restricted frame\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 3D-printed plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKey rule:\u003c\/strong\u003e Entrance and cutouts are off-limits for the final orientation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotations:\u003c\/strong\u003e Allowed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 90mm x 90mm x 11mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigner:\u003c\/strong\u003e Samuel Cook\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eThe Mechanic\u003c\/h2\u003e\u003cp\u003eThe jigsaw piece shape is not decorative. It creates interlocking protrusions and recesses that interact with the frame in ways a simple rectangle never would. Every piece you place shifts your options for the next. The entrance and cutout restrictions eliminate the obvious approaches early, which means you are solving a geometry problem with fewer degrees of freedom than you expect.\u003c\/p\u003e\u003cp\u003eJigsaw Traffic draws inspiration from two respected names in the constraint puzzle world: Koichi Miura and Haym Hirsh. Miura's influence shows in the packing challenge structure - tight spatial constraints, no wasted space, solutions that feel almost impossible until they suddenly are not. Hirsh's influence lives in the piece shapes themselves, which carry that distinctive interlocking logic that makes each placement count.\u003c\/p\u003e\u003cp\u003eSamuel Cook has combined both lineages into something that feels fresh. This is not a tribute puzzle. It is a real packing problem that earns its difficulty honestly.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eConstraint and packing puzzle enthusiasts who want a compact challenge with real depth\u003c\/li\u003e\n\u003cli\u003eCollectors who follow the work of Koichi Miura or Haym Hirsh and want to see their design ideas extended by a new voice\u003c\/li\u003e\n\u003cli\u003eIndustrial designers and architects drawn to tight geometric problems where shape and space interact in non-obvious ways\u003c\/li\u003e\n\u003cli\u003ePuzzle collectors building a set around designer lineage and traceable creative influence\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat does \"entrance and cutouts off-limits\" actually mean?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eThe frame has an opening used to load the pieces and internal cutouts visible inside the frame. In the final solved position, no piece can occupy or rest in those areas. The pieces must fill only the restricted interior target space marked by the guide lines.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eAre rotations really allowed?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eYes. You can rotate any piece in any direction. This expands the solution space - but the entrance and cutout restrictions still apply regardless of orientation, so it does not make the puzzle easy.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow difficult is this puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eIt is harder than it looks. Four pieces sounds manageable. The jigsaw geometry and the placement restrictions combine to make the solution space much smaller than expected. Most solvers will spend significant time on this one.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat material is Jigsaw Traffic made from?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eJigsaw Traffic is 3D-printed plastic.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat are the dimensions?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003e90mm x 90mm x 11mm.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":47305112125607,"sku":"GP-JIGSTRAF","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/jigsaw_traffic_marble.png?v=1782043988"},{"product_id":"minima-tower","title":"MINIMA Tower | Pack 4 Pieces in Box","description":"\u003cp\u003eMINIMA Tower is a packing puzzle from \u003ca href=\"\/collections\/frederic-boucher\"\u003eFrederic Boucher\u003c\/a\u003e, and one of Frederic's favorite designs. Your goal is to fit 4 identical L-shaped pieces into a 2x2x4 box. In the solved position, the pieces build a 2x2x3 solid inside the cage. There is a single 1x1x2 opening on the top of the box, and a few small holes on the sides.\u003c\/p\u003e\n\n\u003cp\u003eThis is probably the most striking puzzle on the website. People stop on it more than any other piece - the marble white box with the turquoise pieces inside catches the eye in a way flat puzzles never do, and almost everyone who walks past picks it up.\u003c\/p\u003e\n\n\u003cp\u003eThe holes in the cage walls aren't decoration. The box is tight enough that the rotations you need are impossible without threading a piece through one of the holes - figuring out which hole, and when, is the whole solve. There's exactly one solution, and the path to it is far less obvious than the simple geometry suggests.\u003c\/p\u003e\n\n\u003cp\u003eMost solvers spend 4+ hours on the first attempt. Some come back to it for days. It belongs in our \u003ca href=\"\/collections\/extremely-difficult-puzzles\"\u003eextremely difficult\u003c\/a\u003e category not because the pieces are complicated, but because the constraints force you to think in ways a normal packing puzzle never asks.\u003c\/p\u003e\n\n\u003cp\u003eFrederic Boucher is one of the most respected names in \u003ca href=\"\/collections\/packing-puzzles\"\u003emodern packing puzzle\u003c\/a\u003e design - if you've enjoyed any of his other work, MINIMA Tower will feel like home and still surprise you.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDesigner:\u003c\/strong\u003e \u003ca href=\"\/collections\/frederic-boucher\"\u003eFrederic Boucher\u003c\/a\u003e\u003cbr\u003e\n\u003cstrong\u003eBox Size:\u003c\/strong\u003e 65mm x 35mm x 35mm (2.56\" x 1.38\" x 1.38\")\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":47305131458727,"sku":"GP-MINITOWE","price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/minima_tower_marble.png?v=1782066114"},{"product_id":"toplun-puzzle","title":"Toplun Puzzle | Pack the Pieces","description":"\u003ch2\u003ePack 6 Pieces Into a Perfect Cube - No Holes Allowed\u003c\/h2\u003e\u003cp\u003eToplun is a packing puzzle designed by \u003ca href=\"\/collections\/osanori-yamamoto\"\u003eOsanori Yamamoto\u003c\/a\u003e. Your goal is straightforward: fit 6 pieces into the frame to build a solid 3x3x3 cube. The puzzle is solved when every cell is filled - no gaps, no holes, nothing left out.\u003c\/p\u003e\u003cp\u003eWell - it's much harder than it looks.\u003c\/p\u003e\u003cp\u003eThe pieces seem reasonable at first. You'll get a few of them in without much trouble. But the moment you try to close it out, something shifts. A piece that fit perfectly five moves ago is suddenly in the way. Most people will spend 1 to 4 hours working through this. That is, if they finish at all.\u003c\/p\u003e\u003ch2\u003eQuick Summary\u003c\/h2\u003e\u003cp\u003eToplun is a packing puzzle by Osanori Yamamoto. Pack 6 interlocking pieces into a frame to form a solid 3x3x3 cube with zero holes. Hard difficulty. Expect 1 to 4 hours. Compact at 55mm x 55mm x 55mm. A quiet, absorbing challenge that rewards patience.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Puzzle collectors who already own a few packing puzzles and want something that will genuinely stop them in their tracks. Also a strong pick for gift-givers who know their person takes puzzles seriously and won't be satisfied with something they crack in 20 minutes.\u003c\/p\u003e\u003ch2\u003ePuzzle Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Packing puzzle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigner:\u003c\/strong\u003e Osanori Yamamoto\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePieces:\u003c\/strong\u003e 6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObjective:\u003c\/strong\u003e Pack all pieces into the frame to form a solid 3x3x3 cube with no holes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Hard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolve time:\u003c\/strong\u003e 1 to 4 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 55mm x 55mm x 55mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat makes Toplun different from other cube packing puzzles?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eThe no-holes rule. Most packing puzzles just ask you to fit pieces into a space. Toplun requires every single cell in the 3x3x3 grid to be filled. No gaps anywhere. That one constraint changes everything - it eliminates a huge number of arrangements that would otherwise seem valid and forces you to think much more carefully about piece orientation from the start.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eIs this a good puzzle for beginners?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eProbably not as a first puzzle. The difficulty rating is hard, and the solve time reflects that. If you have some experience with spatial puzzles and want a real challenge, Toplun delivers. If you're just starting out, it may be more frustrating than fun.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eDoes it come assembled or disassembled?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003ePlease check the product listing or reach out to Greg Puzzles directly for current packaging details.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":47305305751719,"sku":"GP-TOPL","price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/toplun_marble.png?v=1782032652"},{"product_id":"xmas-stocking-puzzle-pack-5-n-pieces-in-box","title":"Xmas Stocking Puzzle | Pack 5 N Pieces in box","description":"\u003cp\u003e\u003cstrong\u003eQuick answer:\u003c\/strong\u003e Xmas Stocking is a 5+1-piece packing puzzle by \u003ca href=\"\/collections\/osanori-yamamoto\"\u003eOsanori Yamamoto\u003c\/a\u003e. Hard difficulty, 1-4 hour solve time. Five identical N-shaped pieces plus a small box - and the challenge is fitting them all in so the hole is completely covered. Osanori's minimalist packing style meets a subtly themed holiday form.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e experienced packing puzzle solvers who already own Osanori's easier work, gift buyers looking for a puzzle with a holiday hook that isn't gimmicky, and desk-toy shoppers who want a challenging piece with a distinctive shape.\u003c\/p\u003e\n\u003cp\u003eXmas Stocking is a minimalist packing puzzle from Osanori Yamamoto.\u003c\/p\u003e\n\u003cp\u003eUsing 5 identical N pieces and a box, you must fit all the pieces inside the box so the hole will be covered.\u003c\/p\u003e\n\u003cp\u003eThe elegance of this puzzle comes from the identical pieces and the seemingly simple box. Although it is not Osanori Yamamoto's hardest puzzle, it will require some concentrated thinking and imagination to solve. \u003c\/p\u003e\n\u003cp\u003eSize: 40mm X 55mm X 55mm\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is the Xmas Stocking puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eXmas Stocking is a Hard-difficulty packing puzzle by Osanori Yamamoto. It uses 5 identical N-shaped pieces plus a small stocking-shaped box. The goal is to fit all pieces inside so the hole is completely covered. Typical solve time is 1-4 hours.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhy is Xmas Stocking rated Hard when it only has 5 pieces?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eThe pieces are identical, which sounds like it should make the puzzle easier but actually makes it harder - every piece can potentially occupy any position, creating a huge combinatorial search space. Combined with the constraint of covering the hole, the solve requires a specific arrangement that takes time to find.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eIs this a good gift for the holidays?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eYes - the stocking shape gives it a subtle holiday theme without being cartoonish. It works as a Christmas gift, stocking stuffer, or Secret Santa piece for anyone who enjoys mechanical puzzles. Just don't expect the recipient to solve it during the holiday itself - a Hard puzzle with a 1-4 hour solve rewards patience.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat makes Osanori Yamamoto's packing puzzles special?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eOsanori is a master of using the same shape repeated multiple times in a single puzzle. That constraint - fewer piece types, more of each - creates a uniquely satisfying solve where no piece feels wasted. Xmas Stocking is one of many puzzles in his catalog built around this principle.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":47305350021287,"sku":"GP-XMASSTOC","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/xmas_stocking_marble.png?v=1781971689"},{"product_id":"cubiz-puzzle","title":"Cubiz Puzzle | Pack 5 Pieces in box","description":"\u003cp\u003eCubiz looks simple. Five pieces, one box - but fitting them all inside so the lid sits flush will test your spatial reasoning in ways you won't expect.\u003c\/p\u003e\u003cp\u003eIt's the kind of puzzle that makes you think you're close. Then you realize you're not.\u003c\/p\u003e\u003ch2\u003eHow It Works\u003c\/h2\u003e\u003cp\u003eCubiz is a packing puzzle. Your goal: fit all 5 pieces into the box so every gap is filled and the top hole is completely covered.\u003c\/p\u003e\u003cp\u003eNo tools. No instructions. Just you, the pieces, and a box that seems like it should be easy to fill.\u003c\/p\u003e\u003cp\u003eThe challenge is 3D orientation. Each piece needs to be placed in exactly the right position and angle. One wrong decision early on and nothing fits at the end. You'll think you've cracked it - then find one piece left over and nowhere to put it.\u003c\/p\u003e\u003cp\u003eThat's the puzzle. Start over. Think differently. Try again.\u003c\/p\u003e\u003ch2\u003eWho Is This For?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePuzzle fans who enjoy spatial and packing challenges.\u003c\/strong\u003e Cubiz rewards the kind of thinking that goes beyond trial and error. You have to visualize the whole before you place the parts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGift-buyers looking for a desk puzzle that sparks repeat attempts.\u003c\/strong\u003e It's compact, satisfying to hold, and hard to put down once you've started.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFrederic Boucher puzzle collectors.\u003c\/strong\u003e Cubiz is a strong example of his design style - clean, deceptively simple, brutally effective.\u003c\/p\u003e\u003ch2\u003eWhy Cubiz?\u003c\/h2\u003e\u003cp\u003eThis puzzle exists because customers asked for it. Cubiz was specifically requested for production by the gregpuzzles community. That kind of demand doesn't happen by accident. It means people who know puzzles wanted this one made.\u003c\/p\u003e\u003cp\u003eNow it is.\u003c\/p\u003e\u003ch2\u003eSpecs\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDesigner:\u003c\/strong\u003e \u003ca href=\"\/collections\/frederic-boucher\"\u003eFrederic Boucher\u003c\/a\u003e\u003cbr\u003e\u003cstrong\u003ePieces:\u003c\/strong\u003e 5 + box\u003cbr\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 72 x 72 x 72mm\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e 3D-printed\u003cbr\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Hard\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":47889437556903,"sku":"GP-CUBI","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/cubiz_marble.png?v=1782069358"},{"product_id":"alpacka-2","title":"Alpacka 2 | Pack 6 Pieces In Frame","description":"\u003cp\u003eAlpacka 2 is a puzzle with a simple goal - pack all the pieces inside. \u003c\/p\u003e\n\u003cp\u003eThis is the sequel to Alpacka 1!\u003c\/p\u003e\n\u003cp\u003eThanks to the build of the pieces, this puzzle acts as a maze too - where most dead-ends are not in the puzzle, but inside your head. \u003c\/p\u003e\n\u003cp\u003eEnjoy the moves and plan your way to get the pieces inside the frame!\u003c\/p\u003e\n\n\u003cp\u003eWhat's special about Alpacka 2?\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDevelops strategic thinking\u003c\/li\u003e\n\u003cli\u003eLogical planning and imagination\u003c\/li\u003e\n\u003cli\u003eDimensional reasoning challenge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by \u003ca href=\"\/collections\/alexander-magyarics\"\u003eAlexander Magyarics\u003c\/a\u003e\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":47889505058983,"sku":"GP-ALPA2","price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/alpacka_2_marble.png?v=1782043506"},{"product_id":"a6l-puzzle","title":"A6L Puzzle | Hide the Holes","description":"\u003cp\u003e\u003cstrong\u003eQuick answer:\u003c\/strong\u003e A6L is a 7-piece Expert-level packing puzzle by \u003ca href=\"\/collections\/osanori-yamamoto\"\u003eOsanori Yamamoto\u003c\/a\u003e. Six identical L-shaped pieces plus one I-piece must be packed inside a cage frame so that every entrance is completely hidden. Solve time: 4+ hours. One of the most respected minimal-piece packing puzzles in Osanori's catalog.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e serious packing puzzle solvers who already own Osanori's easier work like Galette or Waltz, collectors who value the same shape repeated across multiple pieces, and puzzle enthusiasts who want a display piece as interesting to hold as it is hard to solve.\u003c\/p\u003e\n\u003cp\u003eA6L is another challenging packing puzzle from Osanori Yamamoto.\u003c\/p\u003e\n\u003cp\u003eUsing 6 identical L-Shaped Pieces and a single I piece, you must build an apparent cube inside the frame. The puzzle is solved when all the pieces are inside the cage with all entrances covered.\u003c\/p\u003e\n\u003cp\u003eCreating a packing puzzle with 6 identical pieces is a significant design challenge. Making it a great puzzle is even harder. This puzzle manages to do both, making you explore it until the sequence finally reveals itself to the strongest.\u003c\/p\u003e\n\u003cp\u003eSize: 55mm x 55mm x 55mm\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is an A6L puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eA6L is a packing puzzle designed by Osanori Yamamoto. The goal is to pack 6 identical L-shaped pieces plus 1 I-piece into a small cage frame so that all cage entrances are completely covered. It's rated Expert difficulty with a typical 4+ hour solve time.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhy is A6L so hard?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eA6L uses 6 identical L-pieces, which means every piece can potentially occupy any position - creating a massive combinatorial search space. Combined with the goal of hiding all entrances, the solve requires finding a very specific rotational sequence that reveals itself only through patient exploration.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat makes Osanori Yamamoto packing puzzles special?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eOsanori is a master of using the same shape repeated multiple times in a single puzzle. That constraint - fewer piece types, more of each - creates a uniquely satisfying solving experience: no piece feels wasted, and the final sequence often feels inevitable in retrospect even when it took hours to find.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eShould I start with A6L or an easier Osanori puzzle first?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eIf you're new to packing puzzles, start with Galette or Waltz first - both are Osanori designs at more approachable difficulty. A6L rewards solvers who've already built intuition for how his puzzles work. It's a puzzle you graduate to, not one you learn on.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":47964805202087,"sku":"GP-A6L","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/a6l_marble.png?v=1782068652"},{"product_id":"petit-ring-puzzle","title":"Petit Ring | Hide the Holes","description":"\u003cp\u003ePetit Ring is a seemingly easy packing puzzle from \u003ca href=\"\/collections\/osanori-yamamoto\"\u003eOsanori Yamamoto\u003c\/a\u003e. I repeat. Seemingly Easy.\u003c\/p\u003e\n\u003cp\u003eUsing only 3 pieces, this puzzle may be harder than you think. It is solved when all the pieces are inside the cage with all entrances covered.\u003c\/p\u003e\n\u003cp\u003eSize: Approx. 40mm X 55mm X 55mm\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":47964830007463,"sku":"GP-PETIRING","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/petit_ring_marble.png?v=1782068295"},{"product_id":"shutout-puzzle","title":"Shutout Puzzle | Hide the Holes","description":"\u003cp\u003eShutout is another challenging packing puzzle from \u003ca href=\"\/collections\/osanori-yamamoto\"\u003eOsanori Yamamoto\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eUsing 6 identical T-Shaped Pieces, you must build an apparent cube inside the frame. The puzzle is solved when all the pieces are inside the cage with all entrances covered.  \u003c\/p\u003e\n\u003cp\u003eCreating a packing puzzle with identical pieces is a significant design challenge. Making it a great puzzle is even harder. This puzzle manages to do both, making you explore it until the sequence finally reveals itself to the strongest.\u003c\/p\u003e\n\u003cp\u003eSize: 55mm X 55mm X 55mm\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":47964870934695,"sku":"GP-SHUT","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/shutout_marble.png?v=1782067998"},{"product_id":"waltz","title":"Waltz | Pack Only 2 Pieces","description":"\u003cp\u003e\u003cstrong\u003eQuick answer:\u003c\/strong\u003e Waltz is a 2-piece packing puzzle by \u003ca href=\"\/collections\/osanori-yamamoto\"\u003eOsanori Yamamoto\u003c\/a\u003e, one of Japan's foremost mechanical puzzle designers. Medium difficulty, 30-60 minute solve time. Just two pieces and a compact 40x40x55mm box - and yet finding the sequence that packs them in cleanly is the exact kind of aha moment Osanori's minimalist designs are famous for.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e solvers who already enjoy Osanori's minimalist packing style, first-time packing puzzle buyers who want to feel what \"minimal pieces, maximum challenge\" actually means, and gift buyers hunting for a small object that punches above its weight.\u003c\/p\u003e\n\u003cp\u003eWaltz is an unusual packing puzzle from Osanori Yamamoto. \u003c\/p\u003e\n\u003cp\u003eIt uses only 2 pieces, but fitting them inside the box is nothing like you may imagine.\u003c\/p\u003e\n\u003cp\u003eLet the solution unravel itself to you as you hold the pieces in your hands!\u003c\/p\u003e\n\u003cp\u003eSize: Approx. 40mm X 40mm X 55mm\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is the Waltz puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eWaltz is a 2-piece packing puzzle designed by Osanori Yamamoto. The goal is to fit both pieces inside a compact box so they land in a specific arrangement. It's rated Medium difficulty with a 30-60 minute typical solve time.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhy is a 2-piece puzzle Medium difficulty?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eWith only 2 pieces, most people assume Waltz should be trivial - and that's exactly the trap. The small number of pieces means the entire challenge is in finding the right rotation and insertion sequence. Osanori is a master of hiding real difficulty inside minimal geometry, and Waltz is a textbook example.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow does Waltz compare to other Osanori packing puzzles?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eWaltz sits between his easier entry-point puzzles like Galette and harder Expert-level puzzles like A6L. If you've solved Galette and want to step up, Waltz is a natural next puzzle. If you've done a few Osanori puzzles already, expect the familiar \"how can 2 pieces be this tricky\" experience.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eIs Waltz a good gift for a puzzle lover?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eYes, especially for someone who already enjoys mechanical puzzles. Its small footprint and clean 40x40x55mm form makes it desk-friendly, and the Medium difficulty means the recipient will actually engage with it rather than solving it in one sitting or getting frustrated and shelving it.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":47964896985255,"sku":"GP-WALT","price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/waltz_marble.png?v=1782066417"},{"product_id":"cube-alchemy","title":"Cube Alchemy | 180 Challenges in One!","description":"\u003cp\u003eInspired by the classic Soma Cube-style puzzle - this product comes with our exclusive booklet with 180 distinct challenges handpicked and curated by Greg. \u003c\/p\u003e\n\u003cp\u003eSeven simple pieces. One 3x3x3 cube. MANY different challenges. Most people can take it apart in seconds. Putting it back together is a completely different story.\u003c\/p\u003e\n\u003cp\u003eGoal: assemble all 7 pieces into a perfect 3x3x3 cube (Challenge 1\/180)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eFun fact - There are 240 solutions for the first challenge alone! \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about Cube Alchemy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDevelops 3D spatial imagination\u003c\/li\u003e\n\u003cli\u003eIncludes booklet with favorite 180 challenges\u003c\/li\u003e\n\u003cli\u003eChallenge difficulty can vary!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":50034802294951,"sku":"GP-CUBEALCH","price":17.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/cube_alchemy_marble.png?v=1782222961"},{"product_id":"minima-slider","title":"MINIMA Slider | Pack 5 Pieces in Box","description":"\u003ch2\u003eMINIMA Slider - Quick Summary\u003c\/h2\u003e\u003cp\u003eThe MINIMA Slider is a hard packing puzzle designed by \u003ca href=\"\/collections\/frederic-boucher\"\u003eFrederic Boucher\u003c\/a\u003e, inspired by Yasuhiro Hashimoto's Diagonal Twins. Your goal: fit 5 pieces inside the box. There is exactly one correct solution. Hard difficulty, 1-4 hour solve time. World-debut at Greg Puzzles.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e experienced puzzle solvers who want a compact, desk-worthy challenge with a single elegant solution, and collectors of designer packing puzzles.\u003c\/p\u003e\u003ch2\u003eIPP Exchange 2026\u003c\/h2\u003e\u003cp\u003eMINIMA Slider was Greg's exchange puzzle at the 2026 International Puzzle Party in Assisi, Italy - an international gathering of a closed circle of puzzle collectors, where brand-new puzzles are introduced and exchanged.\u003c\/p\u003e\u003ch2\u003eThe Design\u003c\/h2\u003e\u003cp\u003ePuzzle designer Frederic Boucher developed the MINIMA Slider after solving Diagonal Twins, an award-winning puzzle by Yasuhiro Hashimoto. The original Diagonal Twins introduced an unusual geometric relationship between its pieces - Boucher took that idea and pushed it into new territory with the MINIMA format.\u003c\/p\u003e\u003ch2\u003eWhat Makes It Different\u003c\/h2\u003e\u003cp\u003eWhat makes the Slider mechanically distinct from a standard packing puzzle is the sliding constraint. The pieces do not simply drop or press into position. They must be sequenced and slid into place in a specific order. That single change eliminates trial-and-error as a viable strategy. You cannot brute-force your way through it. Every move requires deliberate intent, and placing one piece incorrectly makes the next step impossible.\u003c\/p\u003e\u003cp\u003eThe puzzle has a compact footprint - small enough to sit on a desk without demanding space, substantial enough to feel purposeful in your hands. You will reach points where everything seems correct and nothing moves. Then something shifts, the sequence clicks, and the last piece slides flush with the frame.\u003c\/p\u003e\u003ch2\u003ePuzzle Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePieces:\u003c\/strong\u003e 5+1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Hard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolve Time:\u003c\/strong\u003e 1-4 hrs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrains:\u003c\/strong\u003e Spatial Thinking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips:\u003c\/strong\u003e Disassembled\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is the MINIMA Slider?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eThe MINIMA Slider is a hard packing puzzle designed by Frederic Boucher, inspired by Yasuhiro Hashimoto's Diagonal Twins. Your goal: fit 5 pieces inside the box, in the only correct configuration. Hard difficulty, 1-4 hour solve time.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow hard is the MINIMA Slider?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eHard difficulty. Most solvers spend 1-4 hours on their first attempt. The sliding constraint means the solution path is narrow - you can hold all the right pieces and still be stuck.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWho designed the MINIMA Slider?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003ePuzzle designer Frederic Boucher. He developed the MINIMA concept after solving Diagonal Twins by Yasuhiro Hashimoto.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":50831823896743,"sku":"GP-MINISLID","price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/minima_slider_marble.png?v=1781965342"},{"product_id":"loach-bed","title":"Loach Bed | Pack 3 Pieces in Box","description":"\u003cp\u003eThis brand-new Osanori puzzle is one of the most elegant, brilliant packing puzzles I've ever seen in my life.\u003c\/p\u003e\n\u003cp\u003eGoal: fit all three pieces inside the box so nothing sticks out.\u003c\/p\u003e\n\u003cp\u003eShips disassembled.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Loach Bed is my favorite Osanori to start with:\u003c\/strong\u003e it uses only one hole, a small MINIMA-style box, two identical pieces and one bigger piece. It's the perfect difficulty for someone enjoying their first Osanori puzzle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about Loach Bed?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe best Osanori puzzle for beginners, in my opinion\u003c\/li\u003e\n\u003cli\u003eSmall MINIMA-style box - great desk footprint\u003c\/li\u003e\n\u003cli\u003eDevelops spatial imagination through a single hole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by \u003ca href=\"\/collections\/osanori-yamamoto\"\u003eOsanori Yamamoto\u003c\/a\u003e\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":50973123149991,"sku":"GP-LOACBED","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/loach_bed_marble.png?v=1783947884"},{"product_id":"osanori-yamamoto-collection-11-osanori-puzzles-buy-10-get-1-free","title":"Osanori Yamamoto Collection - 11 Osanori Puzzles | Buy 10 get 1 FREE","description":"\u003ch2\u003eThe \u003ca href=\"\/collections\/osanori-yamamoto\"\u003eOsanori Yamamoto\u003c\/a\u003e Collection\u003c\/h2\u003e\n\u003cp\u003eEleven puzzles by Osanori Yamamoto in one collection - the master of deceptively minimal packing and interlocking puzzles. Buy ten, we throw one in.\u003c\/p\u003e\n\u003ch2\u003eWhat's Inside\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/loach-bed\"\u003eLoach Bed\u003c\/a\u003e\u003c\/strong\u003e - the perfect first Osanori. Small MINIMA-style box, three pieces, one hole.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/identical-twins\"\u003eIdentical Twins\u003c\/a\u003e\u003c\/strong\u003e - top 3 Osanori by Mechanical Puzzle Discord, IPP37 puzzlers' award winner.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/lucida\"\u003eLucida\u003c\/a\u003e\u003c\/strong\u003e - voted #1 Osanori by the Mechanical Puzzle Discord. Solution level 10.3.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/galette\"\u003eGalette\u003c\/a\u003e\u003c\/strong\u003e - pack 5 tetrominoes into a flat frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/petit-ring-puzzle\"\u003ePetit Ring\u003c\/a\u003e\u003c\/strong\u003e - hide-the-holes challenge in a tiny ring frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/6n-puzzle\"\u003e6N Puzzle\u003c\/a\u003e\u003c\/strong\u003e - hide the holes in a compact 6-piece pack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/a6l-puzzle\"\u003eA6L Puzzle\u003c\/a\u003e\u003c\/strong\u003e - hide-the-holes with L-shaped geometry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/shutout-puzzle\"\u003eShutout Puzzle\u003c\/a\u003e\u003c\/strong\u003e - cover every hole. Sounds simple. It isn't.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/waltz\"\u003eWaltz\u003c\/a\u003e\u003c\/strong\u003e - pack only two pieces. A brutal minimalist challenge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/toplun-puzzle\"\u003eToplun Puzzle\u003c\/a\u003e\u003c\/strong\u003e - pack the pieces in a deceptive tray.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/xmas-stocking-puzzle-pack-5-n-pieces-in-box\"\u003eXmas Stocking Puzzle\u003c\/a\u003e\u003c\/strong\u003e - pack five N-pieces into the box.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":50986747461799,"sku":"GP-OSANYAMA","price":272.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/Osanori_Collection.png?v=1784213463"},{"product_id":"osanori-essentials-6-osanori-puzzles-free-shipping","title":"Osanori Essentials - 6 Osanori Puzzles | FREE Shipping","description":"\u003ch2\u003eOsanori Essentials\u003c\/h2\u003e\n\u003cp\u003eSix handpicked \u003ca href=\"\/collections\/osanori-yamamoto\"\u003eOsanori Yamamoto\u003c\/a\u003e puzzles - the perfect starter collection for anyone stepping into the master's work.\u003c\/p\u003e\n\u003ch2\u003eWhat's Inside\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/loach-bed\"\u003eLoach Bed\u003c\/a\u003e\u003c\/strong\u003e - The best Osanori to start with.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/petit-ring-puzzle\"\u003ePetit Ring\u003c\/a\u003e\u003c\/strong\u003e - Hide the holes in a tiny ring frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/waltz\"\u003eWaltz\u003c\/a\u003e\u003c\/strong\u003e - Pack only two pieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/identical-twins\"\u003eIdentical Twins\u003c\/a\u003e\u003c\/strong\u003e - IPP37 puzzlers' award winner.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/6n-puzzle\"\u003e6N Puzzle\u003c\/a\u003e\u003c\/strong\u003e - Hide the holes in a 6-piece pack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/galette\"\u003eGalette\u003c\/a\u003e\u003c\/strong\u003e - Pack 5 tetrominoes in frame.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":50986747625639,"sku":"GP-OSANESSE","price":161.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/Osanori_Collection_2.png?v=1784213518"},{"product_id":"soma-flop","title":"Soma Flop | Pack 7 Pieces Into the Box","description":"\u003cp\u003eSeven familiar-looking pieces. One box. But the hole in the box is odd, and won't let pieces enter in a normal way.\u003c\/p\u003e\n\u003cp\u003eGoal: pack all 7 Soma pieces flat inside the box so the top is flush and closed.\u003c\/p\u003e\n\u003cp\u003eShips disassembled.\u003c\/p\u003e\n\u003cp\u003eThe Soma Flop is a packing twist on the classic Soma Cube - designed by Dr Volker Latussek. Same seven pieces, completely different challenge. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about Soma Flop?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDevelops 3D spatial imagination\u003c\/li\u003e\n\u003cli\u003eA fresh take on a classic puzzle concept\u003c\/li\u003e\n\u003cli\u003eDeeply satisfying when you find the sequence\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by \u003ca href=\"\/collections\/dr-volker-latussek\"\u003eDr. Volker Latussek\u003c\/a\u003e\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51043599712423,"sku":"GP-SOMAFLOP","price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/soma_flop___pack_7_pieces_into_the_box_marble.png?v=1785416920"},{"product_id":"ochinai-soma","title":"Ochinai Soma | Pack \u0026 Not Fall (2-in-1)","description":"\u003cp\u003e\u003cstrong\u003eTwo puzzles in one - each box is a different challenge.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGoal: pack all seven pieces into the box so that no piece sticks out. The puzzle is solved when no pieces fall with the large hole facing down.\u003c\/p\u003e\n\u003cp\u003eThe name 'Ochinai' means 'won't fall out' in Japanese - and that constraint is exactly what makes this puzzle so devious. The notched corner of the box isn't decoration. It's the challenge.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about Ochinai Soma?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDevelops advanced 3D spatial reasoning\u003c\/li\u003e\n\u003cli\u003eUnique constraint adds a whole new layer of difficulty\u003c\/li\u003e\n\u003cli\u003e2-puzzle set in one\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by Hiroshi Fujino\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51043636084903,"sku":"GP-OCHISOMA","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/ochinai_soma___pack_the_pieces_into_the__marble.png?v=1785417137"},{"product_id":"ochinai-tromino","title":"Ochinai Tromino | Pack \u0026 Not Fall (2-in-1)","description":"\u003cp\u003e\u003cstrong\u003eTwo puzzles in one - each box is a different challenge.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGoal: pack 9 tromino pieces into the box so that no piece sticks out. The puzzle is solved when no pieces fall with the large hole facing down.\u003c\/p\u003e\n\u003cp\u003eThe name 'Ochinai' means 'won't fall out' in Japanese - and that constraint is exactly what makes this puzzle so devious. The notched corner of the box isn't decoration. It's the challenge.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about Ochinai Tromino?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDevelops advanced 3D spatial reasoning\u003c\/li\u003e\n\u003cli\u003eUnique constraint adds a whole new layer of difficulty\u003c\/li\u003e\n\u003cli\u003eTwo boxes included!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by Hiroshi Fujino\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51043723313319,"sku":"GP-OCHITROM","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/ochinai_tromino_marble_v2.png?v=1785419939"},{"product_id":"conga-line","title":"Conga Line | 6-Piece Packing Puzzle","description":"\u003cp\u003eSix unusually shaped turquoise pieces. One marble-white frame. This innocent-looking puzzle may be tricky to figure out!\u003c\/p\u003e\n\u003cp\u003eGoal: pack all the blue pieces into the frame so nothing sticks out.\u003c\/p\u003e\n\u003cp\u003eThird puzzle from the rising designer \u003ca href=\"\/collections\/samuel-cook\"\u003eSamuel Cook\u003c\/a\u003e following Jigsaw Traffic and Turbulence. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about Conga Line?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDevelops advanced spatial imagination\u003c\/li\u003e\n\u003cli\u003eDeceptively tricky piece interactions\u003c\/li\u003e\n\u003cli\u003eSatisfying and clean when solved\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by Samuel Cook\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51109616156839,"sku":"GP-CONGLINE","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/conga_line_marble.png?v=1786011102"},{"product_id":"turbulence-4-piece-packing-puzzle","title":"Turbulence | 4-Piece Packing Puzzle","description":"\u003cp\u003eSecond puzzle by \u003ca href=\"\/collections\/samuel-cook\"\u003eSamuel Cook\u003c\/a\u003e. Minimal, clean and elegant.  \u003c\/p\u003e\n\u003cp\u003eGoal: pack all 4 blue pieces flat inside the frame so nothing sticks out.\u003c\/p\u003e\n\u003cp\u003eSamuel's sequel to Jigsaw Traffic uses 4 pieces and a sneaky square frame yet again. This time, the pieces are geometric shapes. How would they interact with each other? That is the question! \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about Turbulence?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDeceptively simple - hard in practice\u003c\/li\u003e\n\u003cli\u003eDevelops 2D spatial reasoning and logic\u003c\/li\u003e\n\u003cli\u003eCompact and satisfying to solve\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by Samuel Cook\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51109743100071,"sku":"GP-TURB","price":22.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/turbulence___4-piece_packing_puzzle_marble.png?v=1786012228"},{"product_id":"fish-tank-3-piece-packing-puzzle","title":"Fish Tank | 3-Piece Packing Puzzle","description":"\u003cp\u003eTwo fish and a staircase, one square tank. Three pieces, and they still will not go in.\u003c\/p\u003e\n\u003cp\u003eGoal: pack all 3 pieces flat inside the frame so nothing sticks out.\u003c\/p\u003e\n\u003cp\u003eWith only three pieces there is nowhere to hide. Every wrong attempt is obvious, which is exactly what makes finding the right one feel so good.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about Fish Tank?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOnly 3 pieces and still a real challenge\u003c\/li\u003e\n\u003cli\u003eDevelops 2D spatial reasoning\u003c\/li\u003e\n\u003cli\u003ePlayful shapes, serious puzzle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by \u003ca href=\"\/collections\/goh-pit-khiam\"\u003eGoh Pit Khiam\u003c\/a\u003e\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51325795827879,"sku":"GP-FISHTANK","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/fish_tank_marble.png?v=1789059479"},{"product_id":"wild-west-4-piece-packing-puzzle","title":"Wild West | 4-Piece Packing Puzzle","description":"\u003cp\u003eFour blocky pieces and a square frame. It looks like it should fall together on the first try.\u003c\/p\u003e\n\u003cp\u003eGoal: pack all 4 pieces flat inside the frame so nothing sticks out.\u003c\/p\u003e\n\u003cp\u003eThe shapes are chunky and simple, so three of them go in almost immediately. The fourth is where the puzzle actually starts, and fitting it means going back and undoing the three you were happy with.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about Wild West?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSimple shapes, stubborn solution\u003c\/li\u003e\n\u003cli\u003eDevelops 2D spatial reasoning and planning\u003c\/li\u003e\n\u003cli\u003eCompact and clean when solved\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by \u003ca href=\"\/collections\/goh-pit-khiam\"\u003eGoh Pit Khiam\u003c\/a\u003e\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51325796450471,"sku":"GP-WILDWEST","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/wild_west_marble.png?v=1789059488"},{"product_id":"trivial-3-piece-packing-puzzle","title":"Trivial Puzzle | 3-Piece Packing Puzzle","description":"\u003cp\u003eTrivial Puzzle, but is it really? Three pieces, one tray, nothing hidden, and it still stops people.\u003c\/p\u003e\n\u003cp\u003eGoal: pack all 3 pieces flat inside the frame so nothing sticks out.\u003c\/p\u003e\n\u003cp\u003eGoh Pit Khiam is known for designs where the setup looks obvious and the solution is anything but. You can see every piece and every corner of the tray from the first second. That is what makes it uncomfortable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about Trivial?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNothing is hidden and it still gets you\u003c\/li\u003e\n\u003cli\u003eDevelops 2D spatial reasoning\u003c\/li\u003e\n\u003cli\u003eA quiet, absorbing desk challenge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by \u003ca href=\"\/collections\/goh-pit-khiam\"\u003eGoh Pit Khiam\u003c\/a\u003e\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51325796909223,"sku":"GP-TRIV","price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/trivial_marble.png?v=1789059498"},{"product_id":"slidely-trivial-3-piece-packing-puzzle","title":"Slidely Trivial | 3-Piece Packing Puzzle","description":"\u003cp\u003eTrivial's sibling, with one restriction that changes everything: pieces can only go into the tray flat, through the opening.\u003c\/p\u003e\n\u003cp\u003eGoal: pack all 3 pieces inside the tray.\u003c\/p\u003e\n\u003cp\u003eYou cannot drop a piece straight into its spot or tilt it in. Every piece enters flat through the opening and has to travel from there, so the puzzle is as much about the order you go in as it is about where each shape ends up. \u003ca href=\"\/collections\/goh-pit-khiam\"\u003eGoh Pit Khiam\u003c\/a\u003e is known for exactly this kind of sliding-move design.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about Slidely Trivial?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne restriction turns a simple pack into a sliding challenge\u003c\/li\u003e\n\u003cli\u003eDevelops planning and 2D spatial reasoning\u003c\/li\u003e\n\u003cli\u003eLightweight and travel-friendly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by Goh Pit Khiam\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51325797531815,"sku":"GP-SLIDTRIV","price":13.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/slidely_trivial_marble.png?v=1789059508"},{"product_id":"microma","title":"Microma | Pack 3 Pieces in a Small Box","description":"\u003ch2\u003eMicroma - Quick Summary\u003c\/h2\u003e\n\u003cp\u003eMicroma is a 3D dynamic packing puzzle designed by \u003ca href=\"\/collections\/andreas-rover\"\u003eAndreas Röver\u003c\/a\u003e. Your goal: pack all of the pieces into the box. Rotations are allowed. Do not disassemble the pieces.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e MINIMA puzzle lovers, and as a gift for clever people who assume they will crack it in five minutes. It is waaay harder than it looks.\u003c\/p\u003e\n\u003ch2\u003eWhy We Carry It\u003c\/h2\u003e\n\u003cp\u003eMicroma was Andreas Röver's exchange puzzle at the 2026 International Puzzle Party in Assisi - an international gathering of a closed circle of puzzle collectors, where brand-new puzzles are introduced and exchanged.\u003c\/p\u003e\n\u003cp\u003eI solved it there, and I immediately knew I wanted to share this design with you all. \u003ca href=\"\/collections\/frederic-boucher\"\u003eFrederic Boucher\u003c\/a\u003e's MINIMA series has inspired a whole wave of designers, and this could be one of the most brilliant MINIMA-inspired designs out there.\u003c\/p\u003e\n\u003ch2\u003eThe Rules\u003c\/h2\u003e\n\u003cp\u003ePack every piece into the box. Rotations are allowed, which is where the difficulty lives - a piece that clearly does not fit in one orientation may fit perfectly in another, and finding which is the whole puzzle.\u003c\/p\u003e\n\u003cp\u003eOne rule matters more than the rest: do not disassemble the pieces. A smart guy I know did it once. Don't do it. They are meant to stay whole. If you find yourself pulling one apart, you have left the puzzle and started a different one.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is Microma?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eMicroma is a 3D dynamic packing puzzle designed by Andreas Röver. The goal is to pack all of the pieces into the box, with rotations allowed and no disassembly of the pieces themselves.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eAre rotations allowed?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eYes. Rotating pieces is part of the intended solution, not a workaround.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eCan I take the pieces apart?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eNo. The pieces are meant to stay intact - disassembling them is not part of the solution.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWho designed Microma?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eAndreas Röver. Microma was his exchange puzzle at the 2026 International Puzzle Party in Assisi, Italy.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51349310636199,"sku":"GP-MICR","price":21.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/microma_marble.png?v=1789665715"},{"product_id":"packtic-1","title":"PackTIC 1 | Turning Interlocking Cube","description":"\u003cp\u003eSeven pieces and a frame. Fifteen moves to get them all home.\u003c\/p\u003e\n\u003cp\u003eGoal: pack all 7 pieces into the frame to build a complete cube.\u003c\/p\u003e\n\u003cp\u003eRequires 15 moves. Ships assembled.\u003c\/p\u003e\n\u003cp\u003eEvery PackTIC is a Turning Interlocking Cube, so the pieces have to be rotated into place rather than simply pushed. What the series adds is the frame: Andrew describes each one as needing rotations, sliding moves, and thought as to where all the pieces go inside the frame piece.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about PackTIC 1?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRotations and sliding moves, not just straight assembly\u003c\/li\u003e\n\u003cli\u003e7 pieces, 15 moves to solve\u003c\/li\u003e\n\u003cli\u003eBuilds serious 3D spatial reasoning\u003c\/li\u003e\n\u003cli\u003ePart of the 10-puzzle PackTIC series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFirst in the series, and graded Medium rather than Easy - PackTIC 4 is the gentler way in.\u003c\/p\u003e\n\u003cp\u003eGoing for the whole series? The \u003ca href=\"\/products\/packtic-collection\"\u003ePackTIC Collection\u003c\/a\u003e has all 10 - buy 9, get 1 free.\u003c\/p\u003e\n\u003cp\u003eDesigned by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e.\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51482662961319,"sku":null,"price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/packtic_1___turning_interlocking_cube_pu_marble.png?v=1791465396"},{"product_id":"packtic-3","title":"PackTIC 3 | Turning Interlocking Cube","description":"\u003cp\u003eTwenty-one moves out of six pieces, and a Hard grade to go with them.\u003c\/p\u003e\n\u003cp\u003eGoal: pack all 6 pieces into the frame to build a complete cube.\u003c\/p\u003e\n\u003cp\u003eRequires 21 moves. Ships assembled.\u003c\/p\u003e\n\u003cp\u003eEvery PackTIC is a Turning Interlocking Cube, so the pieces have to be rotated into place rather than simply pushed. What the series adds is the frame: Andrew describes each one as needing rotations, sliding moves, and thought as to where all the pieces go inside the frame piece.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about PackTIC 3?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRotations and sliding moves, not just straight assembly\u003c\/li\u003e\n\u003cli\u003e6 pieces, 21 moves to solve\u003c\/li\u003e\n\u003cli\u003eBuilds serious 3D spatial reasoning\u003c\/li\u003e\n\u003cli\u003ePart of the 10-puzzle PackTIC series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTwenty-one moves from only six pieces, so most of the work is in the planning.\u003c\/p\u003e\n\u003cp\u003eGoing for the whole series? The \u003ca href=\"\/products\/packtic-collection\"\u003ePackTIC Collection\u003c\/a\u003e has all 10 - buy 9, get 1 free.\u003c\/p\u003e\n\u003cp\u003eDesigned by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e.\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51482676199591,"sku":null,"price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/packtic_3___pack_3_pieces_into_a_cube_marble.png?v=1791465701"},{"product_id":"packtic-4","title":"PackTIC 4 | Turning Interlocking Cube","description":"\u003cp\u003eThe only Easy grade in the series. Seven pieces, seventeen moves.\u003c\/p\u003e\n\u003cp\u003eGoal: pack all 7 pieces into the frame to build a complete cube.\u003c\/p\u003e\n\u003cp\u003eRequires 17 moves. Ships assembled.\u003c\/p\u003e\n\u003cp\u003eEvery PackTIC is a Turning Interlocking Cube, so the pieces have to be rotated into place rather than simply pushed. What the series adds is the frame: Andrew describes each one as needing rotations, sliding moves, and thought as to where all the pieces go inside the frame piece.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about PackTIC 4?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRotations and sliding moves, not just straight assembly\u003c\/li\u003e\n\u003cli\u003e7 pieces, 17 moves to solve\u003c\/li\u003e\n\u003cli\u003eBuilds serious 3D spatial reasoning\u003c\/li\u003e\n\u003cli\u003ePart of the 10-puzzle PackTIC series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe one Easy grade across the ten, which makes it the most forgiving place to start.\u003c\/p\u003e\n\u003cp\u003eGoing for the whole series? The \u003ca href=\"\/products\/packtic-collection\"\u003ePackTIC Collection\u003c\/a\u003e has all 10 - buy 9, get 1 free.\u003c\/p\u003e\n\u003cp\u003eDesigned by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e.\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51482681639079,"sku":null,"price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/packtic_4___turning_interlocking_cube_pa_marble.png?v=1791465822"},{"product_id":"packtic-5","title":"PackTIC 5 | Turning Interlocking Cube","description":"\u003cp\u003eTwenty-three moves - the longest solve of all ten.\u003c\/p\u003e\n\u003cp\u003eGoal: pack all 7 pieces into the frame to build a complete cube.\u003c\/p\u003e\n\u003cp\u003eRequires 23 moves. Ships assembled.\u003c\/p\u003e\n\u003cp\u003eEvery PackTIC is a Turning Interlocking Cube, so the pieces have to be rotated into place rather than simply pushed. What the series adds is the frame: Andrew describes each one as needing rotations, sliding moves, and thought as to where all the pieces go inside the frame piece.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about PackTIC 5?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRotations and sliding moves, not just straight assembly\u003c\/li\u003e\n\u003cli\u003e7 pieces, 23 moves to solve\u003c\/li\u003e\n\u003cli\u003eBuilds serious 3D spatial reasoning\u003c\/li\u003e\n\u003cli\u003ePart of the 10-puzzle PackTIC series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe longest solve in the series at twenty-three moves. Give it time.\u003c\/p\u003e\n\u003cp\u003eGoing for the whole series? The \u003ca href=\"\/products\/packtic-collection\"\u003ePackTIC Collection\u003c\/a\u003e has all 10 - buy 9, get 1 free.\u003c\/p\u003e\n\u003cp\u003eDesigned by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e.\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51482687406247,"sku":null,"price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/packtic_5___pack_5_pieces_into_a_3x3x3_c_marble.png?v=1791465946"},{"product_id":"packtic-6","title":"PackTIC 6 | Turning Interlocking Cube","description":"\u003cp\u003eFive pieces, the fewest in the series. Still fifteen moves to place them.\u003c\/p\u003e\n\u003cp\u003eGoal: pack all 5 pieces into the frame to build a complete cube.\u003c\/p\u003e\n\u003cp\u003eRequires 15 moves. Ships assembled.\u003c\/p\u003e\n\u003cp\u003eEvery PackTIC is a Turning Interlocking Cube, so the pieces have to be rotated into place rather than simply pushed. What the series adds is the frame: Andrew describes each one as needing rotations, sliding moves, and thought as to where all the pieces go inside the frame piece.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about PackTIC 6?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRotations and sliding moves, not just straight assembly\u003c\/li\u003e\n\u003cli\u003e5 pieces, 15 moves to solve\u003c\/li\u003e\n\u003cli\u003eBuilds serious 3D spatial reasoning\u003c\/li\u003e\n\u003cli\u003ePart of the 10-puzzle PackTIC series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTied for the fewest pieces in the series. Fewer pieces also means fewer clues about where each one goes.\u003c\/p\u003e\n\u003cp\u003eGoing for the whole series? The \u003ca href=\"\/products\/packtic-collection\"\u003ePackTIC Collection\u003c\/a\u003e has all 10 - buy 9, get 1 free.\u003c\/p\u003e\n\u003cp\u003eDesigned by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e.\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51482690846887,"sku":null,"price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/packtic_6___pack_6_pieces_into_a_cube_marble.png?v=1791466069"},{"product_id":"packtic-7","title":"PackTIC 7 | Turning Interlocking Cube","description":"\u003cp\u003eFive pieces, nineteen moves, graded Hard. Small does not mean simple here.\u003c\/p\u003e\n\u003cp\u003eGoal: pack all 5 pieces into the frame to build a complete cube.\u003c\/p\u003e\n\u003cp\u003eRequires 19 moves. Ships assembled.\u003c\/p\u003e\n\u003cp\u003eEvery PackTIC is a Turning Interlocking Cube, so the pieces have to be rotated into place rather than simply pushed. What the series adds is the frame: Andrew describes each one as needing rotations, sliding moves, and thought as to where all the pieces go inside the frame piece.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about PackTIC 7?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRotations and sliding moves, not just straight assembly\u003c\/li\u003e\n\u003cli\u003e5 pieces, 19 moves to solve\u003c\/li\u003e\n\u003cli\u003eBuilds serious 3D spatial reasoning\u003c\/li\u003e\n\u003cli\u003ePart of the 10-puzzle PackTIC series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFive pieces and a Hard grade - the hardest of the two smallest puzzles in the series.\u003c\/p\u003e\n\u003cp\u003eGoing for the whole series? The \u003ca href=\"\/products\/packtic-collection\"\u003ePackTIC Collection\u003c\/a\u003e has all 10 - buy 9, get 1 free.\u003c\/p\u003e\n\u003cp\u003eDesigned by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e.\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51482698383527,"sku":null,"price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/packtic_7___turning_interlocking_cube_pa_marble.png?v=1791466200"},{"product_id":"packtic-10","title":"PackTIC 10 | Turning Interlocking Cube","description":"\u003cp\u003eThe last of the ten. Seven pieces, eighteen moves.\u003c\/p\u003e\n\u003cp\u003eGoal: pack all 7 pieces into the frame to build a complete cube.\u003c\/p\u003e\n\u003cp\u003eRequires 18 moves. Ships assembled.\u003c\/p\u003e\n\u003cp\u003eEvery PackTIC is a Turning Interlocking Cube, so the pieces have to be rotated into place rather than simply pushed. What the series adds is the frame: Andrew describes each one as needing rotations, sliding moves, and thought as to where all the pieces go inside the frame piece.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about PackTIC 10?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRotations and sliding moves, not just straight assembly\u003c\/li\u003e\n\u003cli\u003e7 pieces, 18 moves to solve\u003c\/li\u003e\n\u003cli\u003eBuilds serious 3D spatial reasoning\u003c\/li\u003e\n\u003cli\u003ePart of the 10-puzzle PackTIC series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSeven pieces and eighteen moves to close out the series.\u003c\/p\u003e\n\u003cp\u003eGoing for the whole series? The \u003ca href=\"\/products\/packtic-collection\"\u003ePackTIC Collection\u003c\/a\u003e has all 10 - buy 9, get 1 free.\u003c\/p\u003e\n\u003cp\u003eDesigned by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e.\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51482742620327,"sku":null,"price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/packtic_10___interlocking_packing_cube_marble.png?v=1791466615"},{"product_id":"packtic-collection","title":"PackTIC Collection - All 10 PackTICs | Buy 9 Get 1 FREE!","description":"\u003ch2\u003eThe PackTIC Collection\u003c\/h2\u003e\n\u003cp\u003eAll 10 PackTICs by Andrew Crowell in one collection. Buy nine, we throw the tenth in.\u003c\/p\u003e\n\u003ch2\u003eWhat Makes a PackTIC Different\u003c\/h2\u003e\n\u003cp\u003eEvery PackTIC is a Turning Interlocking Cube, so the pieces have to be rotated into place rather than simply pushed. What this series adds is the frame. Andrew describes each puzzle as needing rotations, sliding moves, and thought as to where all the pieces go inside the frame piece - so the work starts before you have moved anything.\u003c\/p\u003e\n\u003ch2\u003eThe Range\u003c\/h2\u003e\n\u003cp\u003eAcross the ten you get 5 to 7 pieces each and solves running from 13 moves up to 23. One is graded Easy, five Medium and four Hard. PackTIC 4 is the easiest way in; PackTIC 5 is the longest solve at 23 moves. All ten ship assembled.\u003c\/p\u003e\n\u003ch2\u003eWhat's Inside\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackTIC 1\u003c\/strong\u003e - Medium. 7 pieces, 15 moves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackTIC 2\u003c\/strong\u003e - Hard. 6 pieces, 22 moves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackTIC 3\u003c\/strong\u003e - Hard. 6 pieces, 21 moves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackTIC 4\u003c\/strong\u003e - Easy. 7 pieces, 17 moves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackTIC 5\u003c\/strong\u003e - Hard. 7 pieces, 23 moves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackTIC 6\u003c\/strong\u003e - Medium. 5 pieces, 15 moves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackTIC 7\u003c\/strong\u003e - Hard. 5 pieces, 19 moves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackTIC 8\u003c\/strong\u003e - Medium. 6 pieces, 13 moves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackTIC 9\u003c\/strong\u003e - Medium. 7 pieces, 17 moves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackTIC 10\u003c\/strong\u003e - Medium. 7 pieces, 18 moves.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51482813497511,"sku":null,"price":261.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/packtic_collection_hero.jpg?v=1791467263"},{"product_id":"one-way-or-another-move-the-disc-corner-to-corner","title":"One Way or Another | Move the Disc Corner to Corner","description":"\u003cp\u003ePut the disc in one corner. Pack the pieces in around it. Now slide them until the disc comes out in the opposite corner.\u003c\/p\u003e\n\u003cp\u003eGoal: fit every piece into the tray so one corner stays free for the disc, then move the disc to the diagonally opposite corner using sliding moves alone.\u003c\/p\u003e\n\u003cp\u003eAlexander Magyarics took a tray packing puzzle and gave it somewhere to go. Finding an arrangement that fits is the easy half. Finding the one that also leaves the disc a path across the tray is the part worth owning. It earned a Jury Honorable Mention at the 2026 Nob Yoshigahara Puzzle Design Competition in Assisi.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about One Way or Another?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique puzzle in one tray: pack it, then slide to create a path\u003c\/li\u003e\n\u003cli\u003eJury Honorable Mention, 2026 Nob Yoshigahara Puzzle Design Competition\u003c\/li\u003e\n\u003cli\u003eFlat and light enough to take with you\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBest for: packing puzzle fans who have run out of tray puzzles that still surprise them, and gift buyers after a small desk puzzle with a real idea behind it.\u003c\/p\u003e\n\u003cp\u003eDesigned by \u003ca href=\"\/collections\/alexander-magyarics\"\u003eAlexander Magyarics\u003c\/a\u003e\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51517396910247,"sku":"GP-ONEWAY","price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/one_way_or_another___move_the_disc_corne_marble.png?v=1792040466"}],"url":"https:\/\/gregpuzzles.com\/collections\/packing-puzzles.oembed?page=2","provider":"Greg Puzzles","version":"1.0","type":"link"}