One of the most challenging puzzles of all time


The rule to play this Japanese ring puzzle is simple: All you have to do is to move the ring from one ball to the other. Easy-peasy-lemon-squeeze right?
Unfortunately not! To be honest, I gave up after a week. However, there was a Japanese man named Akihara, who had spent 10 YEARS to pursue the answer. Hats off to you, sir!


We're running a FLASH SALE (only $29 now, $39 normally) to celebrate 150th birthday of Canada.

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