Wall Tower CubeA 2x3x3 truncated on two sides and stickered as a midturn puzzle.
Weird 5x5x5A fully functional 5x5x5 that also does mixup moves
Wheel of WisdomA puzzle made to break the laws of symmetry. A 3x3x3 with circles on all six sides. These circles are twistable in steps of 45�.
Windmill TetraA Windmill Cube transformed into the shape of a tetrahedron.
Window CubeA bandaged 4x4x4 similar but not identical to the Burr Cube.
Wolf & Sheep CubeA 3x3x3 with a new concept of bandaging. Pieces are not bonded to each other but specific positions are forbidden.
Workout CubeLooks like a 3x3x3 and is one. But one with a lot of friction. It intentionally dampers the movements.
X-Cube (Crossoid)A 3x3x3 with additional layers on four of its sides. It became a member of a whole series similar to the Crazy Plus 3x3x3s.
X-Cube HybridThe X-Cube from Calvins Cuboid series with circles on two sides.
X-DinoA shape variant of the Dino cube resembling the X-Cube
X-MinxThe concept of the X-Cube applied on a megaminx.