Online since 2002. The most comprehensive site for all around twisty puzzles.

Dane Christianson
3x3x3 Master Cross CubeA Cross Cube with an additional set of layers.
Boob CubeThe logic puzzle for the rest of us.
X-Cube (Crossoid)A 3x3x3 with additional layers on four of its sides. It became a member of a whole series similar to the Crazy Plus 3x3x3s.

X-Cube 2The smaller cousin of the Crossoid.
X2 X-CubeA 3x3x3 with two additional layers on four of its sides.

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