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Six-Sided: Cube (Shape Changing)
Shallow Mixup CubeA mixup cube with shallower cuts than the traditional mixup cube.
Shape Shifting 6x6x6A 6x6x6 which allows additional mixup turns.
Shift CubeA 2x2x4 with an additional shifting move.

Shiny CubultimateA ghosted Pentultimate in cubic shape.
Skewb des SoleilsA "real" Gear Skewb.
Skewb ShiftThe skewbic cousin of "Gear Shift".

Skewby Copter 3 PlusThis puzzle combines the Skewb with the Curvy Copter III and Plus turns usable only in jumbling turns.
Skewed SquareA skewb reorientated within a hexahedral shape.
SkewSkewb (aka Axis Skewb)The concept of the Axis Cube applied to a Skewb.

Slice CubeA 3x3x3 reoriented with its solid. It shares some similarities to the Lozenge prism and the Greenhills Cube.
Sliding 3x3(x3)A successor to the sliding 2x2x3.
Sloppy CubeA Melty D modified into the shape of a cube.

Son-Mum 4x4x4 I CubeThe concept of the Son-Mum Cube (aka Shallow Mixup Cube) applied to the 4x4x4.
Son-Mum 4x4x4 IIAdding a new set of cuts to the Son-Mum 4x4x4 Cube.
Son-Mum II CubeThe successor of the Son-Mum Cube unbandaged by one level.


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