Math CubeA shape variant to a mini 3x3x3 cube
Maybe CubeLike a modified Babyface Cube. The faces can't be turned but the moves that are possible allow for 45° steps.
Mega Axis Cube 3x3x3A 3x3x3 with three aditional layers of cubies and transformed into an Axis Cube.
Mess CuboidA mass produced 3x3x5 twisted into a pattern and afterwards extended.
Metal Ghost CubeThe inventor of the Ghost Cube rebuilts his creation - in metal.
Mezon HelicopterA Helicopter Cube jumbled into the Mezon state and modified back into the shape of a cube.
MF8 Square-1MF8s version from 2007. Produced in five different colors.
Micro Axis CubeA very popular shape transformation of the 3x3x3 dramatically reduced in size.