Block house 3x3x3Built by exchanging pieces between a modified 3x3x3 and a windmill cube.
Block House v2One layer of a windmill cube and two layers taken from two different Fisher cubes.
Blooming CubeAn extreme and extremely beautiful cousin of the Valentine Cube.
BMW CubePromoting the automobile manufacturer.
Bob Ross Rubik's CubeLicensed Rubik's cube featuring face and five paintings of TV painting instructor Bob Ross.
Boeing CubeObviously produced by/for the Boeing Company. Each face has a different airplane version [737, 747, 757, etc.]
Bolted CubeA stickerless cube that looks like it has been riddled with bolts, seemingly rendering immovable.
Boney CubeA 3x3x3 reduced as heavily as possible, not only in shape but also in mechanism.
Boob Cube IFeatures pictures of six different nude women. The pictures on this cube (and others similar) have become very saturated over time.