Fractured Curvy Copter IIIThe Curvy Copter III with a set of additional cuts usable only for jumbling turns. Third in a series of five.
Gap CubeA variant of Polo Gear Cube. The inventor removed one tooth on every face.
Gear Ball In A CubeA mass produced Gear Cube truncated into a sphere. The corner pieces were subsequently replaced with pieces giving the puzzle the look of a 2x2x2 with holes.
Geared 1x1x4A 1x1x4 with pieces connected by different gearing ratios.
Geared Redi CubeA puzzle which looks like a Redi Cube but uses gears to force a synchronized move.
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