The Calvin's Puzzle Semi-Super 3x3x5 series features fully functional circles on two sides (opposite or adjacent), which may be turned to make solving this puzzle an even more difficult challenge.
$ 19.59
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The Calvin's Puzzle Semi-Super 3x3x5 series features fully functional circles on two sides (opposite or adjacent), which may be turned to make solving this puzzle an even more difficult challenge.
$ 28.66
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$ 52.40
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$ 35.16
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