Mid-Sized Red CubeThis cube stands at approximately 45 mm tall and is made out of a deep red plastic.
Midi brown CubeA Midi Cube (37 mm) with brown body and hexagonal stickers. From the original cube craze.
Mini Ghost cubeThis is a hand made ghost cube, no new challenges, but is pink, tiny, handmade and awesome.
Mini MascotAnother mini 3x3x3, presumably from the original cube craze.
Mixup 3x3x3A 3x3x3 that allows swapping of centers with edges.
Mogwai CubeA 3x3x3 with fur and other materials instead of stickers.
Monoblock bandaged Cubes without cornersThis is a set of four bandaged cubes all bandaged by a single block. None of these blocks include a corner piece so they are not equivalent to a Siamese Cube of any kind.