Above:Solved
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Could be considered as "Workout Cube II"
Geared Workout Cube succeeds Workout Cube to further increase the friction of the cube.
This new version uses six tiny gear boxes with planetary gears. The gearing ratio is 7-10-25, so the little spinner turns much faster than a face, thus increasing the friction significantly.
Edge length: 60 mm
Weight: 170 grams
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