Mattel Mini Cube (painted)This cube, which is the same size as a Rubik's Key Chain, has coloured spots painted on the blue pieces.
Mia san MiaA promotional cube for german football (aka soccer) club "FC Bayern München"
micubeA japanese 3x3x3 presumably from the original cube craze. Came in a cylindral package and a strangely shapes polygonal prism.
Mid-Sized CubeThis 37mm cube has a hole for a chain attachment, but there wasn't a chain attached when I found it for 25 cents at a thrift store.
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.