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(More customer reviews)My column "Modern Burr Puzzles" was partially responsible for the Gordian's Knot puzzle. I also pushed the idea rather heavily to Thinkfun. Even though it was a ridiculously difficult puzzle, it was very fiddly and fun -- a lot happened while playing around, and it still stayed together.
With hindsight, it was a ridiculous idea. The puzzle was difficult to the point being grotesquely unfair. Still, it sold very well, and continues to sell well. Gordian's Knot a rare "good" too-hard puzzle. The funnest part of a puzzle is fiddling around with it, and this mathematical freak of nature maximized the fiddly fun beyond what was thought possible. I've since heard from many people that have solved it -- at least the "take apart" stage.
It sold well enough, Thinkfun decided to do a sequel. The computers of Frans de Vreugd and others from the puzzle zine Cubism for Fun evaluated *trillions* (with a "t") of possible 6 piece puzzles, and the Z-Knot was the one that ultimately got picked.
I'm not sure if I'll be able to solve it, but I do know I'll enjoy fiddling with it.
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ThinkFun Zig Zag KnotChallenge yours brainteasing skills with the Zig-Zag Knot The goal is to slide each piece in the correct sequence to take the puzzle apart. With every move you make, one or more pieces can move - but there's only one right answer. A complete solution guide is included.
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