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Gears (separable)
Gear Bracelet 7+5Eight Gears of different sizes on a foldable band.
Gear Bracelet Double RowSixteen gears placed on a bracelet, grouped in sets of four.
Gear FoldA flat version of Gear Shift.

Gear ShiftA 3-D puzzle solely based on gears.
Gear Shift PenroseA Gear Shift truncated into the shape of a Penrose Cube.
GearboxFive cog wheels on one axis turned with different step widths every turn.

Hex ShiftFourteen gears on a hexagonal shape.
PentafoldA pentagonal version of Gear Fold.
Shift HappensSix unequal gears separable aand rotatable in groups of three.

ShiftmorphixA Gear Shift in shape of a tetrahedron.
Skewb ShiftThe skewbic cousin of "Gear Shift".
Spherigear LoopEight spherical gears of which four are turned at any time in conjunction. The very rare case of an abelian twistypuzzle.

SpherigearsA combination of a mechanical maze and Bramboules.

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