{"product_id":"zack-s-ring-world-s-most-difficult-ring-puzzle","title":"Zack’s Ring – World’s Most Difficult Ring Puzzle","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePlease note:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Despite its name and its origin as a puzzle ring, Zack’s Ring is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot a wearable ring\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and will not fit on your finger. Due to the complexity of the mechanism, it is not possible to 3D print a functional version small enough to be comfortably worn as jewelry. The actual size of the puzzle is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e112 × 109 × 46 mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eZack’s Ring has a very special origin story. The puzzle was originally commissioned as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eone-of-a-kind puzzle ring for a marriage proposal\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The request was simple: create something unique, beautiful, and extremely difficult to solve.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOskar came up with a design consisting of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003esix interlinked rings arranged in a loop\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, forming a shape somewhat reminiscent of a Star of David. Designing it was a challenge of its own, as most configurations either came apart too easily or didn’t come apart at all. The final design was inspired by earlier work by Bram Cohen.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe puzzle comes \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003efully assembled\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Your first challenge is to take it apart.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBut disassembly is only the beginning.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOnce taken apart, the six rings are \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003estill connected to each other\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, leaving you with an intimidating chain of interlinked pieces. Now you have to figure out how to manipulate all six rings back into their original shape.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eextremely difficult puzzle\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and reassembling it may be one of the hardest challenges in your puzzle collection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eThink carefully before you take Zack’s Ring apart.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003eDesigner:\u003c\/strong\u003e Oskar van Deventer\u003cbr\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 112 × 109 × 46 mm\u003cbr\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Extremely difficult\u003c\/span\u003e\u003c\/p\u003e","brand":"Puzzle Guy Store","offers":[{"title":"Default Title","offer_id":55427723362646,"sku":"OVD-066","price":46.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/0127\/4966\/files\/Zack_sRing-1.jpg?v=1789756768","url":"https:\/\/puzzleguy.store\/products\/zack-s-ring-world-s-most-difficult-ring-puzzle","provider":"Puzzle Guy Store","version":"1.0","type":"link"}