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1x1x4A stupid cuboid built just for the sake of completeness.
2 Layer Gimmick One of the easiest twistypuzzles anyone can think of.
2x3x4 (shape-changing)Yet another Tony Fisher masterpiece. The first fully functional irregular cuboid ever.

3-Layers Pillow GimmickOne of the easiest twistypuzzles anyone can think of. At least this one has three layers.
4x4x4 Rhombic Dodecahedron12-sided 4x4x4 variation with the shape of a catalan solid.
4x4x5The first mass produced 4x4x5.

4x4x6A fully functional and fully proportional 4x4x6 made from a 4x4x4.
4x5x5The first mass produced 4x5x5.
Calvins Cuboid Series (I-Cube)A 3x3x3 with one side extended with an additional rotating layer. Member of a whole series similar to the Crazy Plus 3x3x3s.

Calvins Cuboid Series (L-Cube)A 3x3x3 with two sides extended with an additional rotating layer. Member of a whole series similar to the Crazy Plus 3x3x3s.
Calvins Cuboid Series (T-Cube)A 3x3x3 with three sides extended with an additional rotating layer. Member of a whole series similar to the Crazy Plus 3x3x3s.
Calvins Cuboid Series (Temple Cube)A 3x3x3 with five sides extended with an additional rotating layer. Member of a whole series similar to the Crazy Plus 3x3x3s.

Calvins Cuboid Series (Trio Cube)A 3x3x3 with three sides extended with an additional rotating layer. Member of a whole series similar to the Crazy Plus 3x3x3s.
Calvins Cuboid Series (X-Cube)A 3x3x3 with four sides extended with an additional rotating layer. Member of a whole series similar to the Crazy Plus 3x3x3s.
Case CubeAn extended version of the "Octagon/Cube"


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