{"title":"Puzzles","description":"\u003ch2\u003ePuzzles that actually make you think.\u003c\/h2\u003e\n\n\u003cp\u003eNot the kind you finish in an afternoon and forget. These are mechanical puzzles - the kind that sit on your desk, stump your friends, and stick in your brain until you crack them.\u003c\/p\u003e\n\n\u003cp\u003eGreg Puzzles 3D prints every puzzle in-house, working directly with some of the best puzzle designers in the world - Stewart Coffin, Andrew Crowell, Frederic Boucher, Osanori Yamamoto, and more. Each one ships ready to play.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Greg Puzzles\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-quality 3D printing, in-house\u003c\/strong\u003e - every puzzle made by us, to last\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesigner-approved\u003c\/strong\u003e - we work directly with the designers to bring new puzzles to the website. Every purchase supports their craft directly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShips ready to play\u003c\/strong\u003e - no assembly required on your end\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast shipping\u003c\/strong\u003e on every order\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho Are You Buying This For?\u003c\/h2\u003e\n\n\u003cp\u003eMost people land here looking for a gift. Pick the one that fits:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSomeone trying their first mechanical puzzle\u003c\/strong\u003e - start with \u003ca href=\"\/collections\/easy-puzzles\"\u003eEasy puzzles\u003c\/a\u003e. The \u003ca href=\"\/products\/baby-puzzle\"\u003eBaby Puzzle\u003c\/a\u003e and \u003ca href=\"\/products\/2-piece-pyramid\"\u003e2 Piece Pyramid\u003c\/a\u003e are perfect entry points - low frustration, satisfying solve.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSomeone who already collects\u003c\/strong\u003e - \u003ca href=\"\/collections\/tic-puzzles\"\u003eTICs (Turning Interlocking Cubes)\u003c\/a\u003e by Andrew Crowell, or \u003ca href=\"\/collections\/packing-puzzles\"\u003ePacking Puzzles\u003c\/a\u003e. The hard, satisfying kind.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe person who has everything\u003c\/strong\u003e - \u003ca href=\"\/collections\/mystery-boxes\"\u003eMystery Boxes\u003c\/a\u003e or \u003ca href=\"\/products\/mystery-tic\"\u003eMystery TIC\u003c\/a\u003e. They won't know what's coming. You don't have to choose.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSomeone who lives for a real challenge\u003c\/strong\u003e - \u003ca href=\"\/collections\/hard-puzzles\"\u003eHard\u003c\/a\u003e or \u003ca href=\"\/collections\/extremely-difficult-puzzles\"\u003eExtremely Difficult Puzzles\u003c\/a\u003e. Multi-session brain workout.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo idea what they'd like\u003c\/strong\u003e - \u003ca href=\"\/collections\/gifts-for-puzzle-lovers\"\u003eGifts for Puzzle Lovers\u003c\/a\u003e. A curated set that covers more ground and lowers the stakes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Puzzle lovers who want something physical and genuinely challenging. People tired of passive entertainment. Gift-givers who want something that actually gets used.\u003c\/p\u003e","products":[{"product_id":"shinobi-puzzle","title":"Shinobi Puzzle | Create a Symmterical Shape","description":"\u003cp\u003eShinobi is a flat 3-piece symmetry puzzle where the goal is to arrange all pieces into a perfectly symmetrical shape on a flat surface, with no overlapping.\u003c\/p\u003e\u003ch2\u003eWhat Makes Shinobi Deceptive\u003c\/h2\u003e\u003cp\u003eIt looks like something you could solve in minutes - three pieces, one flat surface, how hard can it be? But most solvers take over an hour just to find the easy solution. That is, if they ever do.\u003c\/p\u003e\u003ch2\u003eTwo Solutions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEasy Mode\u003c\/strong\u003e - Accessible to beginners and a genuine confidence builder once it clicks.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Mode\u003c\/strong\u003e - For seasoned puzzlers who think Easy Mode was a warm-up. Good luck.\u003c\/p\u003e\u003ch2\u003eWho Is This For?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePuzzle fans who enjoy spatial reasoning challenges\u003c\/li\u003e\n\u003cli\u003eTeachers looking for a classroom brain teaser that actually stops a room\u003c\/li\u003e\n\u003cli\u003eGift buyers wanting something conversation-starting that won't collect dust\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePieces:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolutions:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Easy to Hard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Flat\/tabletop\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDesigner\u003c\/h2\u003e\u003cp\u003eDesigned by Greg Gelf (\u003ca href=\"https:\/\/gregpuzzles.com\"\u003eGregPuzzles.com\u003c\/a\u003e) in collaboration with Alexander Magyarics.\u003c\/p\u003e\u003ch2\u003eAdd Shinobi to Cart - Can You Find Both Solutions?\u003c\/h2\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46200044847271,"sku":"","price":7.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/shinobi_marble.png?v=1782070373"},{"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 Yasuhiro Hashimoto.\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":"","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":"mystery-puzzle-box","title":"Mystery Puzzle Box - Aqua","description":"\u003ch2\u003eMystery Puzzle Box\u003c\/h2\u003e\u003cp\u003eDo you like mystery boxes? Do you like puzzles? Then this is literally made for you. Every box is a mix of mystery, puzzling, and anticipation. You might get one puzzle. You might get many. You may even get versions of puzzles unavailable anywhere else. But here's the one thing that never changes: you'll always get more than what you paid for. 100% guaranteed.\u003c\/p\u003e\u003ch3\u003eWhat's Inside?\u003c\/h3\u003e\u003cp\u003eEvery box is different. That's the whole point. But here's a sense of what tends to show up:\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePacking Puzzles\u003c\/strong\u003e The kind where you stare at a box and a handful of pieces and think \"this should be simple.\" It never is. These are some of the most deceptively brutal puzzles we make.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInterlocking Cubes\u003c\/strong\u003e 3D-printed turning puzzles where pieces lock and rotate in ways that genuinely make no sense until they suddenly do. The TIC series lives here.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpatial Reasoning Challenges\u003c\/strong\u003e Flat pieces, odd shapes, frames that look too small. Your brain will argue with itself.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBox Exclusives\u003c\/strong\u003e Some designs only exist inside this box. They're not listed in the store. They're not available any other way. If you want them, this is the only path.\u003c\/p\u003e\u003cp\u003eContents rotate with each box. No two boxes are identical.\u003c\/p\u003e\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\u003cp\u003ePerfect for puzzle collectors seeking rare 3D-printed designs that aren't available anywhere else. Perfect for gift-givers who want a high-value surprise without needing to know which specific puzzle to pick. And perfect for hobbyists who are ready to be genuinely challenged - not just entertained.\u003c\/p\u003e\u003ch3\u003eWhy More Than You Paid For?\u003c\/h3\u003e\u003cp\u003eThe retail value of what's inside adds up to $125. You're paying $90. That gap isn't a gimmick. Every box is hand-selected to make sure the combination of puzzles works together - different difficulty levels, different mechanics, different experiences. Nothing is thrown in to pad the value. 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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\u003ch3\u003eWho do you recommend this puzzle for?\u003c\/h3\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. 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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\u003ch3\u003eIs this a good starter puzzle?\u003c\/h3\u003e\n\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\n\n\u003ch3\u003eWhat is the Baby Puzzle?\u003c\/h3\u003e\n\u003cp\u003eA 2-piece jigsaw puzzle where your goal is to pack both pieces flat into a small tray. 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Best for adults who love spatial reasoning and satisfying, methodical solves.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Adults who enjoy spatial reasoning, puzzle collectors starting their TIC journey, and anyone who doubts that two pieces can stump them.\u003c\/p\u003e\u003ch2\u003eWhat Makes EcstaTIC Special\u003c\/h2\u003e\u003cp\u003eTIC stands for Turning Interlocking Cube - a puzzle category where pieces interlock and require rotational moves to assemble or disassemble. That turning mechanic is what makes TIC puzzles fundamentally different from standard interlocking puzzles. Standard assembly logic won't get you far here. Designed by Andrew Crowell, one of the world's leading TIC designers, EcstaTIC is the perfect entry point into this category - two pieces, one clean goal, and a mechanic that will genuinely surprise you.\u003c\/p\u003e\u003cp\u003eThe goal is straightforward: take two pieces and form a solid 5x5x5 cube. Sounds easy. Most people hold both pieces, try a few obvious moves, and get nowhere. That's because the pieces don't just slide together - they rotate into place. Once you understand the turning mechanic, everything clicks. Until then, expect to be stumped.\u003c\/p\u003e\u003ch2\u003eSpecs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePieces:\u003c\/strong\u003e 2\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\u003eDimensions:\u003c\/strong\u003e 60x60x60mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigner:\u003c\/strong\u003e Andrew Crowell\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003ch3\u003eWhat is the EcstaTIC puzzle?\u003c\/h3\u003e\u003cp\u003eEcstaTIC is a two-piece turning interlocking cube puzzle where both pieces must rotate and interlock to form a solid 5x5x5 cube. 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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\u003ch3\u003eWhat is a tray packing puzzle?\u003c\/h3\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. 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If you've worked through shorter TIC puzzles and found yourself wanting more, GeneTIC is the answer to that question.\u003c\/p\u003e\u003ch2\u003eDifficulty \u0026amp; Specs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoves to solve:\u003c\/strong\u003e 26 total (7 for last piece)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Hard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 60x60x60mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 3D-printed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigner:\u003c\/strong\u003e Andrew Crowell\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat is the GeneTIC puzzle?\u003c\/strong\u003e GeneTIC is a Turning Interlocking Cube puzzle - 5 interlocking pieces that must be assembled into a 4x4x4 cube using a precise sequence of rotational moves. Designed by Andrew Crowell, it requires 26 moves to solve, making it one of the most complex puzzles in the TIC series.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow hard is the GeneTIC puzzle?\u003c\/strong\u003e Hard difficulty, 1-4 hour solve time. With 26 total moves required, GeneTIC is significantly more challenging than entry-level TIC puzzles and is best suited to solvers who have already completed Medium-difficulty interlocking cube puzzles.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is a Turning Interlocking Cube puzzle?\u003c\/strong\u003e A Turning Interlocking Cube (TIC) is a mechanical puzzle where pieces must be rotated and interlocked - not just slid - to form a cube. The turning motion is what distinguishes TICs from standard interlocking puzzles.\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46858600284327,"sku":null,"price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/genetic_marble.png?v=1782130738"},{"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 Andrew Crowell, 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\u003ch3\u003eWhat is HepTIC?\u003c\/h3\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\u003ch3\u003eHow hard is HepTIC?\u003c\/h3\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\u003ch3\u003eIs HepTIC a good gift?\u003c\/h3\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","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46858600874151,"sku":null,"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":"hypnotic-puzzle","title":"HypnoTIC Puzzle | Turning Interlocking Cube","description":"\u003ch2\u003eCan you fit all the pieces into a 4x4x4 cube?\u003c\/h2\u003e\u003cp\u003eSounds simple enough. Four pieces, one cube, one goal. But HypnoTIC is not a simple puzzle.\u003c\/p\u003e\u003cp\u003eDesigned by Andrew Crowell - one of the sharpest minds in Turning Interlocking Cube design - HypnoTIC earns its name. The pieces twist and turn in ways that feel almost hypnotic to work through. Every move you think is right sends something else out of place. Every near-solution reveals a new problem.\u003c\/p\u003e\u003cp\u003eThe goal is straightforward: assemble all the pieces into a clean 4x4x4 cube. That's it. No tricks explained up front. No hints built into the shape. Just you, the pieces, and a solution that takes exactly 17 moves to reach - with 4 of those moves reserved for the very last piece.\u003c\/p\u003e\u003cp\u003eThat last piece is where most solvers fall apart.\u003c\/p\u003e\u003cp\u003eYou can see where it needs to go. You can almost feel the path. But getting it there - in exactly the right sequence, without disturbing everything you've already placed - is genuinely difficult. The turning mechanic that makes TIC puzzles special is also what makes HypnoTIC so stubborn. Pieces don't just slide. They rotate. And each rotation has consequences.\u003c\/p\u003e\u003cp\u003eThis is not a puzzle you brute-force. It rewards patience, spatial thinking, and a willingness to undo progress and start a sequence over from a different angle. First-time solvers often spend more time than they expect. That's not a flaw. That's the design working exactly as intended.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Puzzle solvers who enjoy 3D assembly challenges and want something that will genuinely push their spatial reasoning - not just keep them busy for ten minutes.\u003c\/p\u003e\u003ch3\u003eQuick Summary\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Challenging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePieces:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolve time:\u003c\/strong\u003e Longer than you think\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 60x60x60mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoves to solve:\u003c\/strong\u003e 17 total - 4 moves for the last piece\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned by:\u003c\/strong\u003e Andrew Crowell\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003ch3\u003eWhat is HypnoTIC?\u003c\/h3\u003e\u003cp\u003eHypnoTIC is a Turning Interlocking Cube puzzle designed by Andrew Crowell. The goal is to assemble all pieces into a 4x4x4 cube. What makes it a TIC puzzle - and what makes it hard - is that the pieces don't just slide into place. They turn. That turning mechanic is what gives the puzzle its character and its difficulty.\u003c\/p\u003e\u003ch3\u003eHow hard is it?\u003c\/h3\u003e\u003cp\u003eIt's harder than it looks. Four pieces sounds manageable. But the turning mechanic adds a layer of complexity that catches most solvers off guard. The solution requires 17 moves in the right sequence, and the final piece demands precise setup to place correctly. Expect to invest real time before the cube comes together cleanly.\u003c\/p\u003e\u003ch3\u003eIs HypnoTIC a good gift?\u003c\/h3\u003e\u003cp\u003eYes - if you know the person well. This is a great fit for someone who already enjoys puzzles and wants a genuine challenge. It's compact, well-crafted, and has real replay value as a display piece once solved. If the person you're buying for gets frustrated easily and gives up, this one might not land. But for the right solver, it's a standout gift.\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46858601726119,"sku":null,"price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/hypnotic_marble.png?v=1782206426"},{"product_id":"mystic-puzzle","title":"MysTIC Puzzle | Turning Interlocking Cube","description":"\u003ch2\u003eWhat is MysTIC?\u003c\/h2\u003e\u003cp\u003eMysTIC is a Turning Interlocking Cube puzzle - a category where pieces don't just slide or stack. They rotate into place. Designed by Andrew Crowell, one of the most respected names in mechanical puzzle design, TIC puzzles are built around a deceptively simple goal: assemble all pieces into a 4x4x4 cube. The catch? The pieces interlock through a sequence of precise rotational moves. Get the order wrong and you're stuck.\u003c\/p\u003e\u003cp\u003eAndrew's design philosophy is tight. Every move is intentional. No filler steps, no lucky guesses. MysTIC sits at 15 total moves - with 9 of those required just for the last piece. That makes it the most approachable entry point in the TIC series. Challenging enough to make you think. Satisfying enough to make you want more.\u003c\/p\u003e\u003cp\u003eIf you've never solved a TIC puzzle before, start here. The move count is low enough to stay manageable, but the mechanism still surprises you. That moment when the last piece clicks into place? Worth every wrong turn.\u003c\/p\u003e\u003ch2\u003eSpecs \u0026amp; Difficulty\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoves:\u003c\/strong\u003e 15 total (9 for last piece)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLevel:\u003c\/strong\u003e Intermediate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 60x60x60mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 3D-printed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips:\u003c\/strong\u003e Disassembled\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eReady for More?\u003c\/h2\u003e\u003cp\u003eOnce MysTIC clicks, the TIC series goes much deeper. \u003ca href=\"\/products\/dectic-puzzle\"\u003eDecTIC\u003c\/a\u003e steps up the complexity with 4 pieces and a harder move sequence. \u003ca href=\"\/products\/genetic-puzzle\"\u003eGeneTIC\u003c\/a\u003e pushes further with 5 pieces and a longer solve. Both are built on the same satisfying mechanism - just with a lot more to figure out.\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46858603856039,"sku":null,"price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/mystic_marble.png?v=1782206653"},{"product_id":"skeptic-puzzle","title":"SkepTIC Puzzle | Turning Interlocking Cube","description":"\u003ch2\u003eCan you fit all the pieces into a 4x4x4 cube?\u003c\/h2\u003e\u003cp\u003eSounds simple. It isn't.\u003c\/p\u003e\u003cp\u003eSkepTIC is a Turning Interlocking Cube puzzle designed by Andrew Crowell - a designer whose specialty is exactly this: puzzles that look like they should go together, but refuse to cooperate until you find the move you never expected.\u003c\/p\u003e\u003cp\u003eYour goal is straightforward. Fit all the pieces into a 4x4x4 cube. That's it. No tricks in the rules. All the tricks are in the pieces.\u003c\/p\u003e\u003ch2\u003eHow it actually feels to solve\u003c\/h2\u003e\u003cp\u003eYou'll find a position that seems right. Pieces align, everything looks promising - then one piece blocks another, and you're back to square one. That's the SkepTIC experience. It doesn't fight you with brute resistance. It fights you with logic.\u003c\/p\u003e\u003cp\u003e21 total moves to complete the solve. 12 of those moves belong to the last piece alone. That's not a typo. The final piece requires a 12-move sequence - meaning you can have everything else perfectly placed and still be completely stuck if you haven't found the path.\u003c\/p\u003e\u003cp\u003eMost solvers will get close. Getting close is part of what makes it hard. Close feels like almost there. It's rarely almost there.\u003c\/p\u003e\u003cp\u003eThe turning mechanism is what sets TIC puzzles apart from standard interlocking puzzles. Pieces don't just slide or drop in. They rotate. That rotation is how you unlock the sequence - and it's exactly what most people miss on their first few attempts.\u003c\/p\u003e\u003cp\u003eThis is not a puzzle you brute-force. You have to think in moves, not positions.\u003c\/p\u003e\u003ch2\u003eBest for:\u003c\/h2\u003e\u003cp\u003eExperienced puzzle solvers who want a genuine challenge. If you've worked through standard interlocking puzzles and want something that actually makes you work - this is the next step. Also a strong pick for anyone who appreciates clever mechanical design, not just the solve.\u003c\/p\u003e\u003ch2\u003eQuick Summary\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Turning Interlocking Cube (TIC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigner:\u003c\/strong\u003e Andrew Crowell\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Advanced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal moves to solve:\u003c\/strong\u003e 21\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoves for last piece:\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolve time:\u003c\/strong\u003e Expect multiple sessions\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\u003ch3\u003eWhat is the SkepTIC puzzle?\u003c\/h3\u003e\u003cp\u003eSkepTIC is a Turning Interlocking Cube puzzle designed by Andrew Crowell. Your goal is to fit all pieces into a 4x4x4 cube. Unlike standard interlocking puzzles, the pieces rotate - which is how the sequence unlocks, and why it's significantly harder than it first appears.\u003c\/p\u003e\u003ch3\u003eHow hard is it?\u003c\/h3\u003e\u003cp\u003eHard. This is not a beginner puzzle. The solve requires 21 total moves, with 12 moves just for the final piece. If you're new to mechanical puzzles, this will be frustrating in the wrong way. If you have experience and want a real challenge, it delivers.\u003c\/p\u003e\u003ch3\u003eIs SkepTIC a good gift?\u003c\/h3\u003e\u003cp\u003eYes - for the right person. If they already enjoy puzzles and want something that will genuinely test them, SkepTIC is an excellent pick. It's compact, well-made, and the kind of puzzle that stays on the desk until it's solved. Not recommended as a first puzzle for someone new to the hobby.\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46858606575783,"sku":null,"price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/skeptic_marble.png?v=1782211596"},{"product_id":"key-and-keyway-cube","title":"Key and Keyway Cube Puzzle","description":"\u003cp\u003eThe Key and Keyway Cube is an 8-piece interlocking puzzle with one clean goal: assemble a 2x2x2 cube. Sounds simple. It's not.\u003c\/p\u003e\n\u003cp\u003eEach of the 8 smaller cubes has keys and keyways cut directly into the pieces. They slide together in a specific sequence. Get the order wrong and you'll hit a wall fast. Get it right and you'll feel every satisfying click as the cube locks into place.\u003c\/p\u003e\n\u003cp\u003eThis is a medium difficulty puzzle - suitable for ages 14 and up. Expect to spend 30-60 minutes working it out. Maybe more on your first attempt.\u003c\/p\u003e\n\u003ch2\u003eWhat Makes It Special\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eKey-and-keyway mechanism.\u003c\/strong\u003e The interlocking system is built into each piece. No magnets. No tricks. Just precise geometry that only fits together one way.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTactile feedback.\u003c\/strong\u003e The clicks and slides as pieces come together are genuinely satisfying. This is a puzzle you can feel solving.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMarble stand included.\u003c\/strong\u003e The puzzle comes with a marble display stand. The pieces are 3D-printed in turquoise. It looks great on a desk when you're not puzzling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDesigned by John Kelly of Circle and Dot.\u003c\/strong\u003e A revived design. We're glad to bring it back.\u003c\/p\u003e\n\u003ch2\u003eWho Is This For?\u003c\/h2\u003e\n\u003cp\u003eThis one is for interlocking puzzle fans who want something compact and repeatable. It's great for anyone who keeps a puzzle on their desk - the kind of thing you pick up, take apart, and reassemble without thinking. It also makes a strong gift for puzzle collectors or anyone who appreciates clever mechanical design in a small package.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46875726119079,"sku":null,"price":31.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/key_keyway_marble.png?v=1781972607"},{"product_id":"tower-of-hanoi-puzzle","title":"Tower of Hanoi | Travel Puzzle","description":"\u003cp\u003eTower Of Hanoi is a classic mechanical puzzle invented back in 1883 in france by the mathematician Edouard Lucas.\u003c\/p\u003e\n\u003cp\u003eThe idea originated from a legend of about a Hindu temple where priests are transferring 64 golden disks, a task that would take 585 billion years to complete at a pace of one move per second! Coincidentally, 585 billion years is 42 times the current estimiate age of our universe, according to science.\u003c\/p\u003e\n\u003cp\u003eThe goal of the puzzle is to move the whole stack of disks from one rod to another, with 3 rules:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eOnly one disk can move at a time\u003c\/li\u003e\n\u003cli\u003eEach move consists of taking a disk and moving it to another rod or stack\u003c\/li\u003e\n\u003cli\u003e\nA disk can only be placed on top of an empty rod or a bigger disk.\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eOur version comes with 7 disks, so once you understand how it works, it can totally be conquered. \u003c\/p\u003e\n\u003cp\u003eAlso, the rods are detachable, which allows for an easy travel mode.\u003c\/p\u003e\n\u003cp\u003eThis puzzle greatly develops mind-muscle connection, mathematical and logical thinking as well as perseverance for boys. Don't worry - it is also a fun challenge for adults. You really can't go wrong with this puzzle as a gift! \u003c\/p\u003e\n\u003cp\u003eSize: 150 x 52 x 42 mm\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":47103748800679,"sku":null,"price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/tower_of_hanoi_marble.png?v=1782070667"},{"product_id":"triumviratic-puzzle","title":"TriumviraTIC Puzzle | Turning Interlocking Cube","description":"\u003cp\u003eTriumviraTIC is a Turning Interlocking Cube puzzle designed by Andrew Crowell, whose specialty is TIC puzzles.\u003c\/p\u003e\n\u003cp\u003eGoal: fit all pieces in a 4x4x4 cube. Ships assembled.\u003c\/p\u003e\n\u003cp\u003e3 Pieces total. 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Every TIC you pick up is a new challenge you haven't solved before.\u003c\/p\u003e\u003cp\u003eTriTIC is where the 3-piece TIC series starts to get serious.\u003c\/p\u003e\u003cp\u003eIt demands 14 moves to solve. That puts it firmly above TreTIC's 10, and makes it one of the most demanding of the shorter 3-piece TICs. Not quite the top - TriadTIC sits above it at 17 moves - but TriTIC is no warmup. It's a real step up.\u003c\/p\u003e\u003cp\u003eIf you've worked through TreTIC and you're hungry for more, this is the natural next move. The piece count stays the same. The cube looks the same. But the path to solving it? Completely different. That's exactly the point.\u003c\/p\u003e\u003cp\u003eDesigned by Andrew Crowell, who has made TIC puzzles his specialty. Each one is crafted to feel satisfying in hand and genuinely surprising in the solving.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGoal\u003c\/strong\u003e Disassemble and reassemble the cube. 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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\u003ch3\u003eWhat does \"entrance and cutouts off-limits\" actually mean?\u003c\/h3\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\u003ch3\u003eAre rotations really allowed?\u003c\/h3\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\u003ch3\u003eHow difficult is this puzzle?\u003c\/h3\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\u003ch3\u003eWhat material is Jigsaw Traffic made from?\u003c\/h3\u003e\u003cp\u003eJigsaw Traffic is 3D-printed plastic.\u003c\/p\u003e\u003ch3\u003eWhat are the dimensions?\u003c\/h3\u003e\u003cp\u003e90mm x 90mm x 11mm.\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":47305112125607,"sku":null,"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":null,"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 Osanori Yamamoto. 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\u003ch3\u003eWhat makes Toplun different from other cube packing puzzles?\u003c\/h3\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\u003ch3\u003eIs this a good puzzle for beginners?\u003c\/h3\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\u003ch3\u003eDoes it come assembled or disassembled?\u003c\/h3\u003e\u003cp\u003ePlease check the product listing or reach out to Greg Puzzles directly for current packaging details.\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":47305305751719,"sku":null,"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"}],"url":"https:\/\/gregpuzzles.com\/collections\/puzzles.oembed?page=3","provider":"Greg Puzzles","version":"1.0","type":"link"}