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.
Mie Axis CubeA cubic 3x3x7 moved into a pattern and modified back into cubic shape.
Mimic CubeA 6x6x6 in camouflage that pretends to be a 5x5x5.
Mini Ghost cubeThis is a hand made ghost cube, no new challenges, but is pink, tiny, handmade and awesome.
Mini HexaminxA reimplementation of the Curvy Hexaminx with just 33 mm
Mirror 1x1x2The concept of the Mirror cube applied to a 1x1x2.