{"title":"Collectible Puzzles","description":"\u003cp\u003eMost mechanical puzzles are anonymous. These are not. Every puzzle in this collection has a documented history - an IPP exchange, a design award, a world debut, or a vote by the people who solve more puzzles than anyone else.\u003c\/p\u003e\u003cp\u003eThe International Puzzle Party is an invitation-only annual gathering where collectors exchange brand-new designs that have never been produced before. An exchange puzzle is, by definition, something almost nobody owns. Several of them are here.\u003c\/p\u003e\u003ch2\u003eThe pedigree\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/ja\/products\/minima-slider\"\u003eMINIMA Slider\u003c\/a\u003e by \u003ca href=\"\/ja\/collections\/frederic-boucher\"\u003eFrederic Boucher\u003c\/a\u003e had its world debut at Greg Puzzles and was Greg's exchange puzzle at the 2026 Assisi IPP. \u003ca href=\"\/ja\/products\/microma\"\u003eMicroma\u003c\/a\u003e was Andreas Roever's exchange puzzle.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/ja\/products\/identical-twins\"\u003eIdentical Twins\u003c\/a\u003e by \u003ca href=\"\/ja\/collections\/osanori-yamamoto\"\u003eOsanori Yamamoto\u003c\/a\u003e won a puzzlers' award at IPP37 and sits in the Mechanical Puzzle Discord's top three Osanori designs. \u003ca href=\"\/ja\/products\/lucida\"\u003eLucida\u003c\/a\u003e was voted number one.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/ja\/products\/three-piece-block-puzzle\"\u003eThree-Piece Block\u003c\/a\u003e and the \u003ca href=\"\/ja\/products\/6-piece-star-puzzle\"\u003e6-Piece Star\u003c\/a\u003e come from \u003ca href=\"\/ja\/collections\/stewart-coffin\"\u003eStewart Coffin\u003c\/a\u003e, the most influential designer the field has produced. \u003ca href=\"\/ja\/products\/shrinking-soma\"\u003eShrinking Soma\u003c\/a\u003e and \u003ca href=\"\/ja\/products\/bonbon-puzzle\"\u003eBonBon\u003c\/a\u003e are the expert-level designs their makers are known for.\u003c\/p\u003e\u003ch2\u003eBest for\u003c\/h2\u003e\u003cp\u003eCollectors who track designers rather than shapes. Puzzlers who already own the classics and want something with provenance. Anyone buying a gift for a serious solver who appears to own everything already.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat is an IPP exchange puzzle?\u003c\/h3\u003e\u003cp\u003eThe International Puzzle Party is an annual invitation-only gathering of puzzle collectors and designers. Participants bring a brand-new puzzle of their own to exchange with the others, so exchange puzzles start life in very small numbers.\u003c\/p\u003e\u003ch3\u003eDoes 3D printing make a puzzle less collectible?\u003c\/h3\u003e\u003cp\u003eIt changes what you are collecting. You are buying the design and its history rather than a handmade wooden object. The advantage is that designs which only ever existed in runs of a hundred are actually available to solve.\u003c\/p\u003e\u003ch3\u003eWho is Stewart Coffin?\u003c\/h3\u003e\u003cp\u003eThe most influential mechanical puzzle designer of the last fifty years, known for geometric assembly puzzles built from very few pieces. Most modern designers cite him.\u003c\/p\u003e\u003ch3\u003eAre these harder than the rest of the shop?\u003c\/h3\u003e\u003cp\u003eMostly yes. Award-winning designs tend to be award-winning because they are elegant and difficult at the same time. Three-Piece Block is the friendliest entry here.\u003c\/p\u003e","products":[{"product_id":"6-piece-star-puzzle","title":"6ピーススターパズル | 星の脳トレ","description":"\u003cp\u003e6ピースのスターパズルは、私が初めて解いたパズルの一つです。\u003c\/p\u003e\n\u003cp\u003e初めてこのパズルを分解した時のことを覚えています。とても驚きました！\u003c\/p\u003e\n\u003cp\u003e元に戻すのが本当の挑戦です。\u003c\/p\u003e\n\n\u003cp\u003e6ピーススターの特別な点は何ですか？\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3Dの想像力を養う\u003c\/li\u003e\n\u003cli\u003e創造的思考が必要\u003c\/li\u003e\n\u003cli\u003e忍耐力を試す\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e一度試してみれば、その理由がわかるでしょう。\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Marble White","offer_id":46556039053479,"sku":"","price":15.0,"currency_code":"USD","in_stock":true},{"title":"Oreo","offer_id":46556039086247,"sku":"","price":17.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/6_piece_star_marble.png?v=1782038337"},{"product_id":"three-piece-block-puzzle","title":"三つ組みブロック | 幾何学パズル","description":"\u003cp\u003e3ピースブロックパズルは、シンプルなだけでなく奥深いパズルです。\u003c\/p\u003e\n\u003cp\u003e目標は、3つの異なるピースでピラミッドを作ることです。各ピースは、異なる方法で結合されたソリッドキューブで構成されています。\u003c\/p\u003e\n\u003cp\u003eどうやって？それはあなたが発見することです！\u003c\/p\u003e\n\n\u003cp\u003eこのパズルの何が特別なのでしょうか？\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e空間的想像力を高めます\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e美しい形\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eオフラインでも楽しめる\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e伝説的なパズルデザイナー、スチュワート・コフィンによってデザインされました。\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46738790252711,"sku":"","price":11.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/three_piece_block_marble.png?v=1781971412"},{"product_id":"bonbon-puzzle","title":"BonBon | 梱包パズル","description":"\u003cp\u003eボンボンはパズルの組み立てが難しいです。\u003c\/p\u003e\n\u003cp\u003eこのパズルは、すべてのピースが箱の中に収まり、飛び出さないようにするのが目標です。\u003c\/p\u003e\n\u003cp\u003e簡単そうに見えますが、見た目よりもはるかに難しいです。\u003c\/p\u003e\n\n\n\n\n\u003cp\u003eこのパズルの特徴とは？\u003c\/p\u003e\n\u003cp\u003e空間認識能力を高める\u003cbr\u003e3D問題解決\u003cbr\u003eオフラインで楽しめる\u003c\/p\u003e\n\n\u003cp\u003eフレデリック・ブーシェ作。\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":46754763309223,"sku":"","price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/bonbon_marble.png?v=1782070991"},{"product_id":"shrinking-soma","title":"縮むソーマ | アンチスライドパズル","description":"\u003cp\u003eShrinking Somaは、フォルカー・ラトゥセク博士による素晴らしいアイデアです。\u003c\/p\u003e\n\u003cp\u003e標準的なソマキューブのピースを使って、4x4x4の空間を埋める構造物を作成します。\u003c\/p\u003e\n\u003cp\u003eパズルを解くには、2つの条件を満たす必要があります。まず、開口部が完全に埋まっていること。次に、パズルを横に振っても構造物が崩れないことです。\u003c\/p\u003e\n\u003cp\u003eこの制約により、一見シンプルな問題なのに独特な体験が生まれます。見た目よりも難しいです！\u003c\/p\u003e\n\u003cp\u003eサイズ：65mm x 65mm x 65mm\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":47128862392487,"sku":null,"price":31.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/shrinking_soma_marble.png?v=1782034736"},{"product_id":"minima-slider","title":"MINIMA スライダー | 5個入りパック","description":"\u003cp\u003e橋本康弘氏による受賞パズル「Diagonal Twins」を解いたフレデリック・ブーシェ氏は、同じアイデアを用いたMINIMAを制作するきっかけを得ました。このメカニカルなコンセプトにより、フレデリック氏はMINIMAシリーズに、Greg Puzzlesで世界初公開となる、新しく異例な挑戦を生み出しました。\u003c\/p\u003e\n\u003cp\u003e目的：5つのピースを箱の中に詰めます。\u003c\/p\u003e\n\u003cp\u003e正解は1つだけです。\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMINIMA Sliderの特別な点とは？\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e愛されているMINIMAシリーズの全く新しいコンセプト\u003c\/li\u003e\n\n\u003cli\u003e満足感のある触覚メカニズム\u003c\/li\u003e\n\n\u003cli\u003e見事なディスプレイピース\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":50831823896743,"sku":null,"price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/minima_slider_marble.png?v=1781965342"},{"product_id":"identical-twins","title":"Identical Twins | Assemble 2 Pieces in a Cube","description":"\u003cp\u003eGoal: assemble the two identical pieces inside the cube frame.\u003c\/p\u003e\n\u003cp\u003eSolution level 6.2. Rotations required.\u003c\/p\u003e\n\u003cp\u003eShips disassembled.\u003c\/p\u003e\n\u003cp\u003eTop 3 Osanori puzzles by the Mechanical Puzzle Discord. Won puzzlers' award in IPP37.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about Identical Twins?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo identical pieces, one deceptive frame\u003c\/li\u003e\n\u003cli\u003eDevelops 3D spatial imagination\u003c\/li\u003e\n\u003cli\u003eSatisfying 'aha' moment when it clicks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by \u003ca href=\"\/ja\/collections\/osanori-yamamoto\"\u003eOsanori Yamamoto\u003c\/a\u003e\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":50973123805351,"sku":null,"price":22.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/identical_twins_marble_v2.png?v=1784194440"},{"product_id":"lucida","title":"Lucida | Assemble 2 Pieces in a Frame","description":"\u003cp\u003eGoal: assemble the two pieces in the frame to form a cube shape.\u003c\/p\u003e\n\u003cp\u003eSolution level 10.3. Rotations required.\u003c\/p\u003e\n\u003cp\u003eShips disassembled.\u003c\/p\u003e\n\u003cp\u003eVoted #1 Osanori by the Mechanical Puzzle Discord. A favorite of many puzzlers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about Lucida?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eElegant design with a deceptive solution\u003c\/li\u003e\n\u003cli\u003eDevelops 3D spatial imagination\u003c\/li\u003e\n\u003cli\u003eSatisfying, repeatable challenge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by \u003ca href=\"\/ja\/collections\/osanori-yamamoto\"\u003eOsanori Yamamoto\u003c\/a\u003e\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":50973124133031,"sku":null,"price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/lucida_marble.png?v=1784193711"},{"product_id":"microma","title":"Microma | Pack 3 Pieces in a Small Box","description":"\u003ch2\u003eMicroma - Quick Summary\u003c\/h2\u003e\n\u003cp\u003eMicroma is a 3D dynamic packing puzzle designed by \u003ca href=\"\/ja\/collections\/andreas-rover\"\u003eAndreas Röver\u003c\/a\u003e. Your goal: pack all of the pieces into the box. Rotations are allowed. Do not disassemble the pieces.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e MINIMA puzzle lovers, and as a gift for clever people who assume they will crack it in five minutes. It is waaay harder than it looks.\u003c\/p\u003e\n\u003ch2\u003eWhy We Carry It\u003c\/h2\u003e\n\u003cp\u003eMicroma was Andreas Röver's exchange puzzle at the 2026 International Puzzle Party in Assisi - an international gathering of a closed circle of puzzle collectors, where brand-new puzzles are introduced and exchanged.\u003c\/p\u003e\n\u003cp\u003eI solved it there, and I immediately knew I wanted to share this design with you all. \u003ca href=\"\/ja\/collections\/frederic-boucher\"\u003eFrederic Boucher\u003c\/a\u003e's MINIMA series has inspired a whole wave of designers, and this could be one of the most brilliant MINIMA-inspired designs out there.\u003c\/p\u003e\n\u003ch2\u003eThe Rules\u003c\/h2\u003e\n\u003cp\u003ePack every piece into the box. Rotations are allowed, which is where the difficulty lives - a piece that clearly does not fit in one orientation may fit perfectly in another, and finding which is the whole puzzle.\u003c\/p\u003e\n\u003cp\u003eOne rule matters more than the rest: do not disassemble the pieces. A smart guy I know did it once. Don't do it. They are meant to stay whole. If you find yourself pulling one apart, you have left the puzzle and started a different one.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is Microma?\u003c\/h3\u003e\n\u003cp\u003eMicroma is a 3D dynamic packing puzzle designed by Andreas Röver. The goal is to pack all of the pieces into the box, with rotations allowed and no disassembly of the pieces themselves.\u003c\/p\u003e\n\u003ch3\u003eAre rotations allowed?\u003c\/h3\u003e\n\u003cp\u003eYes. Rotating pieces is part of the intended solution, not a workaround.\u003c\/p\u003e\n\u003ch3\u003eCan I take the pieces apart?\u003c\/h3\u003e\n\u003cp\u003eNo. The pieces are meant to stay intact - disassembling them is not part of the solution.\u003c\/p\u003e\n\u003ch3\u003eWho designed Microma?\u003c\/h3\u003e\n\u003cp\u003eAndreas Röver. Microma was his exchange puzzle at the 2026 International Puzzle Party in Assisi, Italy.\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51349310636199,"sku":null,"price":21.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/microma_marble.png?v=1789665715"}],"url":"https:\/\/gregpuzzles.com\/ja\/collections\/collectible-puzzles.oembed","provider":"Greg Puzzles","version":"1.0","type":"link"}