Master Cubo MagicoSticker variation related to the Ultimate Cube. Sold by the italian license taker of ITC during the original cube craze.
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.