{"title":"4 Piece Puzzles","description":"\u003cp\u003eFour pieces is the sweet spot for a lot of puzzle designers. It is enough to build a genuinely hard puzzle, and few enough that every piece matters. Most of the puzzles here are rated Hard.\u003c\/p\u003e\u003ch2\u003eWhere to start\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/products\/grip-4l\"\u003eGrip 4L\u003c\/a\u003e and \u003ca href=\"\/products\/wild-west-4-piece-packing-puzzle\"\u003eWild West\u003c\/a\u003e are rated Medium and make the best first four. From there, \u003ca href=\"\/products\/four-fit-puzzle\"\u003eFour Fit\u003c\/a\u003e, \u003ca href=\"\/products\/turbulence-4-piece-packing-puzzle\"\u003eTurbulence\u003c\/a\u003e and the \u003ca href=\"\/products\/jigsaw-traffic-puzzle\"\u003eJigsaw Traffic Puzzle\u003c\/a\u003e are packing puzzles rated Hard, and the \u003ca href=\"\/products\/multi-grain-burr\"\u003eMulti-Grain Burr\u003c\/a\u003e is a four-piece assembly that looks far simpler than it solves.\u003c\/p\u003e\u003cp\u003eThe hardest are \u003ca href=\"\/products\/4l-puzzle\"\u003e4L\u003c\/a\u003e by \u003ca href=\"\/collections\/yasuhiro-hashimoto\"\u003eYasuhiro Hashimoto\u003c\/a\u003e and \u003ca href=\"\/products\/minima-tower\"\u003eMINIMA Tower\u003c\/a\u003e. Both are rated Expert: four pieces and a box, and much harder than they look.\u003c\/p\u003e\u003cp\u003eFour-piece TICs make up a big part of this collection, from \u003ca href=\"\/products\/tictoc-interlocking-cube-puzzle\"\u003eTicToc\u003c\/a\u003e to \u003ca href=\"\/products\/quantumtic-turning-interlocking-cube\"\u003eQuantumTIC\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhy are four-piece puzzles so hard?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eWith four pieces there are enough possible arrangements to hide the one that works, but few enough parts that a single wrong assumption about one piece stops everything. 4L is a good example: three pieces go in easily and the fourth will not.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat does 4+1 mean?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eFour pieces plus a box, frame or tray. The extra part is not something you assemble, it is the space the pieces have to fit into, and it is usually what makes the puzzle hard.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is a TIC puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eA Turning Interlocking Cube - or TIC - is a 3D mechanical puzzle where pieces must be rotated in a precise sequence to disassemble and reassemble a cube. What makes TIC puzzles special is that although every single one ends in the same shape, the sequence of moves to get there is completely different each time. Same cube. Totally different journey. Every TIC you pick up is a new challenge you haven't solved before.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\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":"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":"grip-4l","title":"Grip 4L | Embrace The Different Piece","description":"\u003cp\u003eGrip 4L is a 4-piece 3D-printed interlocking puzzle designed by \u003ca href=\"\/collections\/lucie-pauwels\"\u003eLucie Pauwels\u003c\/a\u003e. The goal: assemble four long-stick pieces into a single solid block. Medium difficulty, 30-60 minute solve time. Best for adults who enjoy spatial reasoning and want a desk puzzle that looks as striking as it challenges.\u003c\/p\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cp\u003eBest for: adults who enjoy spatial reasoning puzzles, gift buyers looking for something distinctive, and solvers who have mastered basic interlocking puzzles and want an unusual next challenge.\u003c\/p\u003e\u003ch2\u003eWhat Makes It Different\u003c\/h2\u003e\u003cp\u003eThe four pieces are built from long, rod-like sticks rather than the blocky shapes typical of interlocking puzzles. This forces you to think in a completely different spatial register - standard packing intuition fails, because the pieces nest and grip in unexpected orientations. The result is a Medium-difficulty puzzle that regularly surprises solvers who expect it to be straightforward.\u003c\/p\u003e\u003ch2\u003eSpecs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePieces:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolve time:\u003c\/strong\u003e 30-60 minutes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkill trained:\u003c\/strong\u003e Spatial reasoning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigner:\u003c\/strong\u003e Lucie Pauwels\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Solvers Keep Coming Back to It\u003c\/h2\u003e\u003cp\u003eGrip 4L is a Greg Puzzles bestseller - its unusual piece shape makes it a conversation piece on any desk or shelf, and a memorable gift for puzzle enthusiasts.\u003c\/p\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow hard is the Grip 4L puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eGrip 4L is rated Medium difficulty with a 30-60 minute solve time. The challenge comes from the long-stick piece geometry, which requires rethinking standard interlocking approaches.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWho is Grip 4L best for?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eAdults who enjoy hands-on spatial puzzles, anyone looking for an original desk puzzle, or a gift for someone who has already solved classic interlocking designs.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is the goal of Grip 4L?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\n\u003cp\u003eAssemble the four long-stick pieces into one solid, seamless block. The puzzle ships assembled so you can admire it first - then take it apart and try to rebuild it.\u003c\/p\u003e\n\u003cp\u003eGrip 4L is included in the \u003ca href=\"\/products\/brain-boost\"\u003eBRAIN BOOST Bundle\u003c\/a\u003e - a curated set for solvers who want to go further.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46754806956199,"sku":"GP-GRIP4L","price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/grip_4l_marble.png?v=1782070097"},{"product_id":"dectic-puzzle","title":"DecTIC Puzzle | Turning Interlocking Cube","description":"\u003ch2\u003eWhat is a Turning Interlocking Cube?\u003c\/h2\u003e\u003cp\u003eA Turning Interlocking Cube - or TIC - is a 3D puzzle where pieces must rotate and slide in a precise sequence to assemble or disassemble a cube. Unlike standard interlocking puzzles, TICs require turning moves at specific stages, not just linear pulls. The result is a mechanical puzzle that feels closer to a combination lock than a traditional burr.\u003c\/p\u003e\u003ch2\u003eDecTIC - The Puzzle\u003c\/h2\u003e\u003cp\u003eDecTIC is a Turning Interlocking Cube puzzle designed by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e, whose specialty is TIC puzzles. Goal: fit all 4 pieces into a 4x4x4 cube. Ships assembled. Requires a total of 17 moves - 10 for the last piece alone. Size: 60x60x60mm.\u003c\/p\u003e\u003cp\u003eThat last piece is where things get interesting. You think you're close. You're not. The sequence has to be exact, and one wrong move sends you back to the start. This is not a puzzle you brute-force. You have to think it through.\u003c\/p\u003e\u003ch2\u003eDifficulty \u0026amp; Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoves to solve:\u003c\/strong\u003e 17 (10 for the last piece)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkill level:\u003c\/strong\u003e Advanced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiece count:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 3D-printed PLA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 60x60x60mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\u003cp\u003eBest for experienced puzzle enthusiasts familiar with interlocking cube puzzles who want a precise, mechanical challenge.\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46858409443495,"sku":"GP-DECT","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/dectic_marble.png?v=1782202956"},{"product_id":"heptic-puzzle","title":"HepTIC Puzzle | Turning Interlocking Cube","description":"\u003ch2\u003eCan You Fit All the Pieces Into a 4x4x4 Cube?\u003c\/h2\u003e\u003cp\u003eSounds straightforward. It is not.\u003c\/p\u003e\u003cp\u003eHepTIC is a Turning Interlocking Cube puzzle designed by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e, whose specialty is TIC puzzles. The goal is simple to state: fit all the pieces together into a clean 4x4x4 cube. But this puzzle does not play by normal interlocking rules. Pieces turn. They rotate mid-assembly. And that changes everything.\u003c\/p\u003e\u003ch2\u003eWhat Makes It Hard\u003c\/h2\u003e\u003cp\u003eWith a standard interlocking puzzle, you slide pieces in and out. You find the right order. You back up and try again. HepTIC asks more than that.\u003c\/p\u003e\u003cp\u003eThe last piece alone requires 7 moves to place. Not one. Not two. Seven. And they are not obvious moves. You will find a position that looks right - then realize a rotation you made three steps back closed off the path you needed. So you back up. You try again. You second-guess the move that felt correct.\u003c\/p\u003e\u003cp\u003e13 total moves to solve the full puzzle. Each one matters. Miss the sequence and you are starting over.\u003c\/p\u003e\u003cp\u003eThat is not frustrating in a bad way. That is the puzzle doing exactly what it was designed to do.\u003c\/p\u003e\u003ch2\u003eHow It Feels to Solve\u003c\/h2\u003e\u003cp\u003eThe pieces are machined to fit precisely. The cube is 60x60x60mm - compact, solid, satisfying to hold. When a turn works and a piece drops into place, you feel it. When you finally close the last piece into the cube after working out all 13 moves - that moment is genuinely earned.\u003c\/p\u003e\u003cp\u003eThis is not a puzzle you crack in five minutes. Most solvers will spend serious time on the last piece alone. That is the point.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Experienced puzzle solvers who want a mechanical challenge that requires spatial thinking, patience, and a willingness to work through a multi-step sequence - not just trial and error.\u003c\/p\u003e\u003ch2\u003eQuick Summary\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigner:\u003c\/strong\u003e Andrew Crowell\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Turning Interlocking Cube (TIC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGoal:\u003c\/strong\u003e Assemble all pieces into a 4x4x4 cube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal moves to solve:\u003c\/strong\u003e 13\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoves for last piece:\u003c\/strong\u003e 7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 60x60x60mm\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 Extended - plan for multiple sessions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is HepTIC?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eHepTIC is a Turning Interlocking Cube puzzle designed by Andrew Crowell. Unlike standard interlocking puzzles where pieces only slide in and out, TIC puzzles require rotational moves during assembly. The goal is to fit all pieces into a 4x4x4 cube using a precise 13-move sequence.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow hard is HepTIC?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eHard. This is an expert-level puzzle. The final piece requires 7 moves on its own, and the full solution is 13 moves total. If you are new to interlocking puzzles, this is not the starting point. If you have solved complex interlocking puzzles before and want something that will genuinely challenge you, this is exactly that.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eIs HepTIC a good gift?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eYes - for the right person. If you are buying for someone who loves mechanical puzzles, spatial challenges, or the work of designers like Andrew Crowell, this is a thoughtful and impressive gift. It is compact, beautifully made, and the kind of puzzle that stays on the shelf as a trophy once solved. If the person is a casual puzzler or new to the hobby, consider starting them with something lower in difficulty first.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46858600874151,"sku":"GP-HEPT","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/heptic_marble.png?v=1782203969"},{"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":"quatrotic-turning-interlocking-cube-puzzle","title":"QuatroTIC | Turning Interlocking Cube Puzzle","description":"\u003cp\u003eFour pieces. One cube. Well - it's much harder than it looks. Most people will struggle just to fit that last piece in. \u003cbr\u003e...That is, if they ever do.\u003c\/p\u003e\n\u003cp\u003eGoal: assemble all 4 pieces into a complete 4x4x4 cube.\u003c\/p\u003e\n\u003cp\u003eShips assembled.\u003c\/p\u003e\n\u003cp\u003eQuatroTIC is a Turning Interlocking Cube puzzle - the TIC mechanism means you cannot just slide pieces in. Rotation is required. Ships assembled.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about QuatroTIC?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequires rotational thinking - not just sliding\u003c\/li\u003e\n\u003cli\u003eDeceptively simple piece count makes it dangerously tricky\u003c\/li\u003e\n\u003cli\u003eSatisfying and repeatable challenge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSize: 60x60x60mm\u003c\/p\u003e\n\u003cp\u003eQuatroTIC is designed by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e.\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":49407411454119,"sku":"GP-QUAT","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/quatrotic_marble.png?v=1782211129"},{"product_id":"bt-tic-turning-interlocking-cube","title":"BT TIC | Turning Interlocking Cube","description":"\u003cp\u003e\u003cstrong\u003eBT TIC is a 4-piece Turning Interlocking Cube puzzle designed by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e.\u003c\/strong\u003e Your goal: rotate and interlock all pieces into a perfect 4x4x4 cube. The turquoise and marble-white design looks simple - the rotational solve sequence is anything but. Hard difficulty, 1-4 hour solve time.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e experienced puzzle solvers who enjoy spatial reasoning challenges, TIC collectors adding to an Andrew Crowell set, or adults seeking a slow, satisfying 1-4 hour brain workout.\u003c\/p\u003e\n\n\u003ch2\u003eThe Challenge\u003c\/h2\u003e\n\n\u003cp\u003eIt's much harder than it looks. Most people will struggle for hours to fit all four pieces together correctly. That is, if they ever do.\u003c\/p\u003e\n\n\u003cp\u003eUnlike sliding puzzles, BT TIC requires mid-assembly rotations that feel completely counterintuitive at first. You cannot just line everything up and push it in. The pieces have to turn - at specific moments, in specific orientations - before they will interlock.\u003c\/p\u003e\n\n\u003cp\u003eThe turquoise and marble-white colorway looks clean and approachable, but it is deliberately designed to mislead your first instinct. The configuration that looks right almost always is not. Every answer brings more questions. Every configuration you try teaches you something new about the solution.\u003c\/p\u003e\n\n\u003ch2\u003eWhat Makes BT TIC Unique\u003c\/h2\u003e\n\n\u003cp\u003eBT TIC uses 4 pieces - not the typical 3 or 5 found in most TIC designs. That specific piece count creates a distinct mechanical challenge that sits in its own category within the Turning Interlocking Cube lineup.\u003c\/p\u003e\n\n\u003cp\u003eThe two-tone design is not just aesthetic. The turquoise and marble-white contrast lets you track piece orientation visually as you work through the solve. When everything starts to blur together after an hour of attempts, that color distinction is a small mercy in a hard puzzle.\u003c\/p\u003e\n\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\n\u003cp\u003ePieces: 4 | Difficulty: Hard | Solve Time: 1-4 hours | Goal: Assemble all pieces into a 4x4x4 cube | Size: 60x60x60mm | Designer: Andrew Crowell | Trains: Spatial Thinking | Ships: Assembled\u003c\/p\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is a Turning Interlocking Cube (TIC) puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eA TIC is a 3D mechanical puzzle where interlocking pieces must be rotated - not just slid - into a perfect cube formation. Each TIC design by Andrew Crowell has a unique rotational solve sequence.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow hard is BT TIC?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eBT TIC is Hard difficulty with a typical solve time of 1-4 hours. It is best suited to solvers who have experience with interlocking or packing puzzles.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow is BT TIC different from other TIC puzzles?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eBT TIC uses 4 pieces in a distinctive turquoise and marble-white design. Its piece count and color contrast make it a visually and mechanically unique entry in the Turning Interlocking Cube lineup.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":49407935447207,"sku":"GP-BTTIC","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/bt_tic_marble.png?v=1782143525"},{"product_id":"nervoustic-turning-interlocking-cube","title":"NervousTIC | Turning Interlocking Cube","description":"\u003ch2\u003eQuick Summary\u003c\/h2\u003e\n\n\u003cp\u003eNervousTIC is a 4-piece Turning Interlocking Cube puzzle designed by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e. Assemble all four pieces into a perfect 4x4x4 cube using a sequence of rotations and interlocking moves. Difficulty: Hard. Estimated solve time: 1-4 hours.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e adults and teens who enjoy hard mechanical puzzles, spatial thinking challenges, and the Andrew Crowell TIC puzzle series.\u003c\/p\u003e\n\n\u003cp\u003eIt assembles into a clean, satisfying cube. Getting it there is another story entirely. NervousTIC will test your spatial thinking in ways a standard interlocking puzzle simply won't.\u003c\/p\u003e\n\n\u003ch2\u003eThe Puzzle\u003c\/h2\u003e\n\n\u003cp\u003eThe goal is straightforward: fit all four pieces together to form a complete 4x4x4 cube. What is not straightforward is how you get there.\u003c\/p\u003e\n\n\u003cp\u003eThis puzzle was designed by Andrew Crowell - one of the most respected names in the Turning Interlocking Cube world. Crowell has built a reputation for puzzles that feel minimal on the surface and brutal in practice. NervousTIC is exactly that.\u003c\/p\u003e\n\n\u003cp\u003eWhat makes a TIC puzzle different from a standard interlocking puzzle is the mechanic at its core. Pieces cannot simply slide into place. They must rotate and interlock in a specific sequence - each move setting up the next. Linear assembly will not work. The turning moves are not optional. They are the puzzle.\u003c\/p\u003e\n\n\u003ch2\u003eWhat Makes NervousTIC Distinct\u003c\/h2\u003e\n\n\u003cp\u003eIts deceptive simplicity. Only 4 pieces. That sounds approachable. Most people assume fewer pieces means easier. They are wrong.\u003c\/p\u003e\n\n\u003cp\u003eWith only 4 pieces, there is less room to hide the difficulty - and Crowell hides nothing. Every piece matters. Every rotation is load-bearing. One wrong sequence and you are starting over.\u003c\/p\u003e\n\n\u003cp\u003eThe two-color design looks sharp on a shelf. You will probably leave it out. People will pick it up. They will not put it down quickly.\u003c\/p\u003e\n\n\u003ch2\u003eWhy You'll Love NervousTIC\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTurning moves required - not just sliding\u003c\/li\u003e\n  \u003cli\u003eOnly 4 pieces - deceptively minimal, genuinely hard\u003c\/li\u003e\n  \u003cli\u003eDevelops advanced 3D spatial reasoning\u003c\/li\u003e\n  \u003cli\u003eStunning two-color design looks great on a shelf\u003c\/li\u003e\n  \u003cli\u003eDesigned by Andrew Crowell, one of the most respected TIC designers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\n\u003cp\u003e4 pieces | Hard difficulty | 1-4 hours solve time | 4x4x4 cube | Designed by Andrew Crowell | 3D printed | Ships assembled\u003c\/p\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is a Turning Interlocking Cube puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eA Turning Interlocking Cube (TIC) is a 3D mechanical puzzle where pieces must be rotated and interlocked in a precise sequence to form a perfect cube. Linear assembly alone will not work. The turning mechanic is what makes TIC puzzles a distinct and more challenging category than standard interlocking puzzles.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow hard is NervousTIC?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eNervousTIC is rated Hard. With only 4 pieces it looks approachable, but the turning mechanic makes it significantly more challenging than a standard interlocking puzzle. Expect 1-4 hours - and that is if the sequence clicks for you. Some solvers take longer.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWho is NervousTIC designed for?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eIt is ideal for adults and teens with experience solving mechanical or interlocking puzzles who want a compact, high-difficulty spatial thinking challenge. If you have solved standard interlocking puzzles and want something that will genuinely push you, this is it.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":49407949537447,"sku":"GP-NERV","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/nervoustic_marble.png?v=1782126774"},{"product_id":"poetic-turning-interlocking-cube","title":"PoeTIC | Turning Interlocking Cube","description":"\u003cp\u003ePoeTIC looks like it wants to come together. It doesn't. The pieces interlock, rotate, and fight you every step of the way - and you'll love every second of it.\u003c\/p\u003e\n\u003cp\u003eGoal: assemble all pieces into a 4x4x4 cube. Ships assembled.\u003c\/p\u003e\n\u003cp\u003eShips assembled.\u003c\/p\u003e\n\u003cp\u003eAnother devious TIC design from \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e - the master of turning interlocking cubes. The two-color scheme looks clean when solved. Getting there is anything but.\u003c\/p\u003e\n\n\n\n\n\u003cp\u003e\u003cstrong\u003eWhat's special about PoeTIC?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDevelops 3D spatial reasoning\u003c\/li\u003e\n\u003cli\u003eRotation mechanic adds a layer most puzzles don't have\u003c\/li\u003e\n\u003cli\u003eDeeply satisfying when it finally clicks into place\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by Andrew Crowell\u003c\/p\u003e\n\u003cp\u003eSize: 60x60x60mm\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":49407961956519,"sku":"GP-POET","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/poetic_marble.png?v=1782127899"},{"product_id":"quadtic-turning-interlocking-cube","title":"QuadTIC | Turning Interlocking Cube","description":"\u003cp\u003eQuadTIC looks like it's almost assembled. It isn't. Fitting that last piece into a clean 4x4x4 cube is a whole different problem.\u003c\/p\u003e\n\u003cp\u003eGoal: assemble all pieces into a perfect 4x4x4 cube. Ships assembled.\u003c\/p\u003e\n\u003cp\u003eShips assembled.\u003c\/p\u003e\n\u003cp\u003eQuadTIC is a Turning Interlocking Cube puzzle designed by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e - the same designer behind DecTIC. The pieces interlock in ways that demand rotation mid-assembly, not just sliding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about QuadTIC?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDevelops 3D spatial reasoning\u003c\/li\u003e\n\u003cli\u003eTurning mechanism adds a surprising layer of challenge\u003c\/li\u003e\n\u003cli\u003eSatisfying cube form when solved\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by Andrew Crowell\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":49407974146215,"sku":"GP-QUAD","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/quadtic_marble.png?v=1782207589"},{"product_id":"quadtic-turning-interlocking-cube-1","title":"QuadraTIC | Turning Interlocking Cube","description":"\u003cp\u003eQuadraTIC looks like it's almost solved. It never is. Fitting these interlocking pieces into a perfect cube is a lot harder than it looks.\u003c\/p\u003e\n\u003cp\u003eGoal: assemble all pieces into a 4x4x4 cube. Ships assembled.\u003c\/p\u003e\n\u003cp\u003eShips assembled.\u003c\/p\u003e\n\u003cp\u003eDesigned by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e, the master of Turning Interlocking Cubes. The pieces require precise rotational moves - brute force won't get you anywhere here.\u003c\/p\u003e\n\n\n\n\n\u003cp\u003e\u003cstrong\u003eWhat's special about QuadraTIC?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDevelops 3D spatial reasoning\u003c\/li\u003e\n\u003cli\u003eRotational moves add a surprising twist\u003c\/li\u003e\n\u003cli\u003eDeeply satisfying when it finally clicks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by Andrew Crowell\u003c\/p\u003e\n\u003cp\u003eSize: 60x60x60mm\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":49407987876007,"sku":"GP-QUAD-2","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/quadratic_marble.png?v=1782208651"},{"product_id":"quantumtic-turning-interlocking-cube","title":"QuantumTIC | Turning Interlocking Cube","description":"\u003cp\u003e\u003cstrong\u003eQuantumTIC\u003c\/strong\u003e is a 4-piece Turning Interlocking Cube puzzle designed by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e. Rated Hard difficulty, with a 1-4 hour solve time. It looks solved when it is not - and almost solved when you are furthest from the answer. Assembling the pieces into a perfect 4x4x4 cube requires rotation logic, not force.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e adults who love mechanical puzzles that play tricks on perception - solvers who enjoy being confidently wrong before finding the breakthrough.\u003c\/p\u003e\u003ch2\u003eHow QuantumTIC Works\u003c\/h2\u003e\u003cp\u003eQuantumTIC's 4 blue pieces rotate as they interlock. That sounds simple. It is not. The puzzle's cruelest feature is its appearance: it can look complete from one angle while being structurally incorrect. You will think you are close. You are not.\u003c\/p\u003e\u003cp\u003eAndrew Crowell's TIC series is built around this principle - each puzzle in the line uses a different piece count and locking geometry. That means QuantumTIC is a distinct challenge even for solvers who have completed other TICs. The moves that worked before will not work here. You have to read this one on its own terms.\u003c\/p\u003e\u003cp\u003eShips assembled.\u003c\/p\u003e\u003ch2\u003eSpecs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePieces:\u003c\/strong\u003e 4\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 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrains:\u003c\/strong\u003e Spatial Thinking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigner:\u003c\/strong\u003e Andrew Crowell\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 60x60x60mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat makes QuantumTIC different from other Turning Interlocking Cube puzzles?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eQuantumTIC uses 4 interlocking pieces with rotational moves, and its defining feature is visual deception - the assembled state looks solved before it is. Each TIC puzzle has a unique geometry, so no two solve the same way.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow hard is QuantumTIC?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eQuantumTIC is rated Hard with a 1-4 hour solve time. It is appropriate for experienced puzzle solvers who have moved past beginner and medium interlocking puzzles.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat should I buy alongside QuantumTIC?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eCollectors often bundle multiple TIC puzzles to compare solve mechanics. Buying as a set includes significant savings - and QuantumTIC is included in the \u003ca href=\"\/products\/master-tictician-bundle-34-tics-buy-27-get-7-free\"\u003eTitan TICtician Bundle\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":49408000524455,"sku":"GP-QUAN","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/quantumtic_marble.png?v=1782209285"},{"product_id":"quasitic-turning-interlocking-cube-puzzle","title":"QuasiTIC | Turning Interlocking Cube Puzzle","description":"\u003cp\u003eQuasiTIC is a Turning Interlocking Cube puzzle designed by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e. It looks solved. It looks simple. It is neither.\u003c\/p\u003e\n\u003cp\u003eGoal: assemble all pieces into a 4x4x4 cube. Ships assembled.\u003c\/p\u003e\n\u003cp\u003eShips assembled.\u003c\/p\u003e\n\u003cp\u003eThe QuasiTIC is part of Andrew Crowell's legendary TIC series - puzzles that require rotational moves to interlock, making every step feel impossible until suddenly it isn't.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about QuasiTIC?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequires rotational moves - not just sliding\u003c\/li\u003e\n\u003cli\u003eDevelops advanced 3D spatial thinking\u003c\/li\u003e\n\u003cli\u003eDeeply satisfying when the cube finally closes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by Andrew Crowell\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":49408013271207,"sku":"GP-QUAS","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/quasitic_marble.png?v=1782209988"},{"product_id":"tetratic-turning-interlocking-cube","title":"TetraTIC | Turning Interlocking Cube","description":"\u003ch2\u003eQuick Summary\u003c\/h2\u003e\n\n\u003cp\u003eTetraTIC is a 4-piece Turning Interlocking Cube puzzle by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e. Each piece is tetromino-shaped; your goal is to assemble all four into a perfect 4x4x4 cube using a sequence of rotations and interlocking moves. Difficulty: Hard. Estimated solve time: 1-4 hours.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e adults and teens who enjoy hard spatial puzzles, tetromino geometry, and the Andrew Crowell TIC series.\u003c\/p\u003e\n\n\u003ch2\u003eFour Tetromino Pieces. One Cube.\u003c\/h2\u003e\n\n\u003cp\u003eWell - it's much harder than it looks.\u003c\/p\u003e\n\n\u003cp\u003eYou recognize the shapes immediately. L-shaped, T-shaped, S-shaped - the same tetromino geometry you've seen in Tetris a thousand times. That familiarity is exactly what makes TetraTIC so deceptive. Your brain thinks it knows what to do. It doesn't.\u003c\/p\u003e\n\n\u003cp\u003eA standard sliding puzzle lets you push pieces together until they lock. TetraTIC doesn't work that way. The Turning Interlocking Cube mechanism means each piece must be rotated through a specific sequence of moves before it can interlock with the others. You cannot simply slide them together. The move that looks obvious is almost never the right one. And because the pieces are tetromino-shaped, the geometry creates false intuition at every step - most people will struggle for hours to fit the 4th piece. That is, if they ever do.\u003c\/p\u003e\n\n\u003ch2\u003eDesigned by Andrew Crowell\u003c\/h2\u003e\n\n\u003cp\u003eTetraTIC was designed by Andrew Crowell, widely regarded as one of the leading TIC puzzle designers working today. His puzzles are known for mechanisms that feel mechanical and satisfying - not frustrating in a cheap way, but demanding in a way that makes the solve feel genuinely earned. TetraTIC sits at the harder end of his lineup.\u003c\/p\u003e\n\n\u003cp\u003eWhat makes TetraTIC stand out within the TIC series specifically is the tetromino geometry. Most TIC puzzles use shapes that are easier to mentally rotate in three dimensions. Tetromino shapes are flat and directional by nature - which means translating them into a 4x4x4 cube requires a level of 3D spatial visualization that even experienced puzzle solvers find demanding. This is not a puzzle you crack in ten minutes. It is a puzzle you come back to.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's Special About TetraTIC\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTetromino shapes create powerful false intuition\u003c\/li\u003e\n  \u003cli\u003eTurning interlocking mechanism - not a simple slide or stack\u003c\/li\u003e\n  \u003cli\u003eDesigned by Andrew Crowell, one of the top names in TIC puzzle design\u003c\/li\u003e\n  \u003cli\u003eTetromino geometry makes the 3D spatial challenge especially demanding\u003c\/li\u003e\n  \u003cli\u003eSatisfying and repeatable solve\u003c\/li\u003e\n  \u003cli\u003eDevelops advanced 3D spatial imagination\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\n\u003cp\u003e4 pieces | Hard difficulty | 1-4 hours solve time | 4x4x4 cube | Tetromino-shaped pieces | Designed by Andrew Crowell | 3D printed | Ships assembled | Size: 60x60x60mm\u003c\/p\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is TetraTIC?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eTetraTIC is a Turning Interlocking Cube puzzle made up of four tetromino-shaped pieces that must be rotated and interlocked in the correct sequence to form a perfect 4x4x4 cube.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow hard is TetraTIC?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eTetraTIC is rated Hard with a typical solve time of 1-4 hours. The tetromino shapes look familiar but the turning interlocking mechanic makes straightforward assembly impossible.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat skill does TetraTIC develop?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eTetraTIC trains advanced 3D spatial imagination - you must mentally rotate and map each piece through a sequence of moves before physically attempting the solution.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":49408025854119,"sku":"GP-TETR","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/tetratic_marble.png?v=1782128609"},{"product_id":"tictoc-interlocking-cube-puzzle","title":"TicToc | Interlocking Cube Puzzle","description":"\u003cp\u003e\u003cstrong\u003eQuick Summary:\u003c\/strong\u003e TicToc is a 4-piece turning interlocking cube puzzle with a distinctive marble-and-turquoise two-color design. Difficulty: Hard. Solve time: 1-4 hours. The cube assembles cleanly but demands precise rotational thinking to take apart and reassemble. Best for: adults who enjoy slow, satisfying solves and 3D spatial challenges.\u003c\/p\u003e\u003cp\u003eLooks like a cube. Comes apart like a riddle. Getting it back together is a whole different story.\u003c\/p\u003e\u003cp\u003eGoal: disassemble the interlocking cube and reassemble it back into its original form.\u003c\/p\u003e\u003cp\u003eTwo colors, one cube, endless frustration. The marble and turquoise pieces interlock in ways that will make you question every move.\u003c\/p\u003e\u003ch2\u003eWhat's special about TicToc?\u003c\/h2\u003e\u003cp\u003eThe two-color design is not just decorative - it actually helps you track which pieces belong where. Marble is marble. Turquoise is turquoise. You'd think that would make it easier. It doesn't. The interlocking mechanism defeats most people on the first attempt anyway, because the real challenge isn't identifying the pieces - it's finding the rotation sequence that lets them come apart cleanly. That sequence is the key insight, and once you find it, the whole puzzle opens up. Until then, expect to be humbled by four pieces and a cube that looks like it should be simple.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Adults who enjoy hard interlocking puzzles and want a visually striking two-color cube on their desk.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e 4 pieces | Hard difficulty | 1-4 hr solve time | Trains: 3D spatial reasoning\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDevelops 3D spatial reasoning\u003c\/li\u003e\n\u003cli\u003eSatisfying click when pieces lock into place\u003c\/li\u003e\n\u003cli\u003eDeceptively difficult reassembly\u003c\/li\u003e\n\u003cli\u003eDesigned by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eSize: 60x60x60mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is the TicToc puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eTicToc is a 4-piece turning interlocking cube puzzle designed by Andrew Crowell and 3D printed by Greg Puzzles. The goal is to disassemble the cube and reassemble it back into its original form. It features a marble-and-turquoise two-color design and measures 60x60x60mm.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow hard is the TicToc interlocking cube?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eTicToc is rated Hard difficulty. Most people spend 1-4 hours on their first solve, and many get stuck on reassembly even after taking it apart. The challenge is less about brute force and more about understanding the specific rotation sequence the pieces require.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is a turning interlocking cube puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eA turning interlocking cube puzzle is a type of 3D mechanical puzzle where the pieces must be rotated - not just slid or lifted - to assemble or disassemble the cube. Standard interlocking puzzles move in straight lines. Turning puzzles add a rotational step that makes the solution significantly harder to find through trial and error.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":49408038830247,"sku":"GP-TICT","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/tictoc_marble.png?v=1782212309"},{"product_id":"xi-tic-turning-interlocking-cube","title":"XI TIC | Turning Interlocking Cube","description":"\u003cp\u003eXI TIC looks like a clean, satisfying cube. Getting it back together is another story. This is a Turning Interlocking Cube puzzle - and it will test everything you think you know about assembly.\u003c\/p\u003e\n\u003cp\u003eGoal: disassemble the cube and reassemble all pieces back into a perfect 4x4x4 cube.\u003c\/p\u003e\n\u003cp\u003eXI TIC is designed by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e, one of the leading names in Turning Interlocking Cube design. The two-color build is not just for looks - it helps you track the pieces as things get complicated.\u003c\/p\u003e\n\n\n\n\n\u003cp\u003e\u003cstrong\u003eWhat's special about XI TIC?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDevelops advanced 3D spatial reasoning\u003c\/li\u003e\n\u003cli\u003eTurning mechanism adds a whole new layer of challenge\u003c\/li\u003e\n\u003cli\u003eDeeply satisfying when it finally clicks into place\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by Andrew Crowell\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":49408052494503,"sku":"GP-XITIC","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/xi_tic_marble.png?v=1782129401"},{"product_id":"locomotic-turning-interlocking-cube","title":"LocomoTIC | Turning Interlocking Cube","description":"\u003cp\u003e\u003cstrong\u003eQuick answer:\u003c\/strong\u003e LocomoTIC is a 4-piece Turning Interlocking Cube by \u003ca href=\"\/collections\/andrew-crowell\"\u003eAndrew Crowell\u003c\/a\u003e. Difficulty: Hard. Solve time: 1-4 hours. The 4x4x4 cube looks clean from the outside, but assembling it requires rotational moves that block, unlock, and reshuffle each piece in a sequence most solvers never see coming.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e solvers who've already tackled a few Andrew Crowell TICs and want a step up in complexity, gift buyers shopping for someone who takes their puzzle collection seriously, and desk-toy hunters who want a puzzle they'll come back to more than once.\u003c\/p\u003e\n\u003cp\u003eLocomoTIC looks like a clean 4x4x4 cube when solved. Getting it there is a completely different story. Pieces shift, rotate, and block each other in ways you won't see coming.\u003c\/p\u003e\n\u003cp\u003eGoal: assemble all pieces into a 4x4x4 cube.\u003c\/p\u003e\n\u003cp\u003eDesigned by Andrew Crowell, one of the most respected names in Turning Interlocking Cube design. The 'TIC' in the name is no accident - this one demands rotational moves that will stop most solvers cold.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about LocomoTIC?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTurning moves required - not just sliding\u003c\/li\u003e\n\u003cli\u003eDevelops advanced 3D spatial reasoning\u003c\/li\u003e\n\u003cli\u003eSatisfying, repeatable challenge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSize: 60x60x60mm | Ships assembled\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWhat is a TIC puzzle?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eA Turning Interlocking Cube (TIC) is a cube-shaped assembly puzzle where pieces must rotate during the solve, not just slide. From the outside it looks like a clean cube. Inside, the rotations are what make it work - and what make it impossible to solve by intuition alone.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow hard is LocomoTIC compared to other Andrew Crowell TICs?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eLocomoTIC is rated Hard - a solid step up from entry-level TICs like EcstaTIC or TripleTIC. It's not the hardest TIC in the catalog, but it demands multiple rotational moves in sequence and rewards solvers who've built some TIC intuition. Expect 1-4 hours on your first solve.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eDo I need experience with TIC puzzles to solve LocomoTIC?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eIt helps. LocomoTIC assumes you've encountered rotational puzzle moves before. If you're new to TICs, start with EcstaTIC or TripleTIC first - those introduce the mechanics with lower difficulty. LocomoTIC is where you go once \"how do rotations work\" is no longer the question.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eIs LocomoTIC 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 owns and enjoys mechanical puzzles. Its clean 4x4x4 form looks great on a desk when solved, and its Hard difficulty means the recipient will actually spend time with it rather than solving it in one sitting. It's a puzzle that stays engaging.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":50049114046631,"sku":"GP-LOCO","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/locomotic_marble.png?v=1782121800"},{"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":"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":"multi-grain-burr","title":"Multi-Grain Burr | 4-Piece Geometric Puzzle","description":"\u003ch2\u003eMulti-Grain Burr - Quick Summary\u003c\/h2\u003e\n\u003cp\u003eThe Multi-Grain Burr is a four-piece geometric assembly puzzle designed by \u003ca href=\"\/collections\/stewart-coffin\"\u003eStewart Coffin\u003c\/a\u003e. Four pieces come together into a very peculiar shape. Despite the name it is not a burr - there are no notched sticks and nothing interlocks. The difficulty is purely geometric: working out how four solids occupy one space. The next level of the \u003ca href=\"https:\/\/gregpuzzles.com\/products\/three-piece-block-puzzle\"\u003eThree Piece Block puzzle.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e People with highly developed spatial perception.\u003c\/p\u003e\n\u003ch2\u003eAbout the Designer\u003c\/h2\u003e\n\u003cp\u003eStewart Coffin is one of the most respected names in mechanical puzzle design. His work is known for geometric elegance rather than brute complexity - puzzles that look like they should come apart easily and then decline to.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eHow hard is the Multi-Grain Burr?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eHard. Most solvers spend one to four hours on it. If you have solved a standard six-piece burr, expect this one to take longer despite having fewer pieces - and expect the burr method to be no help, because this is a different kind of problem.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eIs the Multi-Grain Burr actually a burr?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eNo. The name comes from the design, not the mechanism. A burr is built from notched sticks that interlock along three axes. This is four solid pieces assembling into a geometric shape, which is why the usual burr techniques do not apply.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"gp-faq\"\u003e\u003csummary\u003e\u003ch3\u003eWho designed the Multi-Grain Burr?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"gp-faq__a\"\u003e\u003cp\u003eStewart Coffin, a designer whose mechanical puzzles are widely collected for their geometric precision.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51347709427879,"sku":"GP-MULTGRAI","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/multi-grain_burr_marble.png?v=1789665707"}],"url":"https:\/\/gregpuzzles.com\/collections\/4-piece-puzzles.oembed","provider":"Greg Puzzles","version":"1.0","type":"link"}