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The QiYi Coin Tetrahedron Pyraminx is a quick and easy to solve puzzle and was designed by our very own Kevin Uhrik! With an included solution manual, the Coin Tetrahedron can be used to teach basic twisty puzzle-solving skills. With its silky smooth turning and ball-bearing alignment system, the Coin Tetrahedron is a joy to play with!
About the designer: Kevin has been working with us for years and has designed dozens of amazing twisty puzzles. It was always Kevin's dream to have one of his designs mass-produced so we are so proud to be able to sell a mass-produced version of his puzzle!