Meffert's: Mini Diver's Helmet Keychain Puzzle
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Mini Divers Helmet is one of four unique Mini Mefferts Keychains. They rotate in the same smoothness as their bigger parents and are beautifully packaged in a full transparent blister. Once you have mixed up the puzzle, can you get all four solid colored rings again? A perfect pocket-sized brain building activity.
A Genuine Meffert's Product! Uwe Meffert started designing rotational puzzles in 1970 with the invention of the Pyraminx. Since then, he has created over 100 styles of ratational puzzles that are distributed worldwide. Uwe is a leading designer in the puzzle community and delights in finding intruguing new ways to puzzle his fans.