Pocket Tritium Puzzle (3-Circle, 3D Printing Mod

This 2-D twisty puzzle is designed by Mr. Xu and Li. Made using 3D printing technology, it consists of 3 circles, and the pieces within can move freely to other areas inside the frame. Mix up the pieces and then challenge your logic to get the three circles back to their original design.
Part of a the pocket series, which is perfect entertainment you can take with you wherever you go.

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