{"product_id":"ochinai-tromino","title":"Ochinai Tromino | Pack \u0026 Not Fall (2-in-1)","description":"\u003cp\u003e\u003cstrong\u003eTwo puzzles in one - each box is a different challenge.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGoal: pack 9 tromino pieces into the box so that no piece sticks out. The puzzle is solved when no pieces fall with the large hole facing down.\u003c\/p\u003e\n\u003cp\u003ePassing pieces through the large hole in the bottom is forbidden.\u003c\/p\u003e\n\u003cp\u003eThe name 'Ochinai' means 'won't fall out' in Japanese - and that constraint is exactly what makes this puzzle so devious. The notched corner of the box isn't decoration. It's the challenge.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's special about Ochinai Tromino?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDevelops advanced 3D spatial reasoning\u003c\/li\u003e\n\u003cli\u003eUnique constraint adds a whole new layer of difficulty\u003c\/li\u003e\n\u003cli\u003eTwo boxes included!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned by Hiroshi Fujino\u003c\/p\u003e","brand":"Greg Puzzles","offers":[{"title":"Default Title","offer_id":51043723313319,"sku":null,"price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/2827\/1783\/files\/ochinai_tromino_marble_v2.png?v=1785419939","url":"https:\/\/gregpuzzles.com\/products\/ochinai-tromino","provider":"Greg Puzzles","version":"1.0","type":"link"}