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"
Micro Pocket cubeThis is a pocket cube made from a micro version with 30 mm edge length.
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.