Types of Rubik's Cubes

cubes
 
Cube Names
 
Pocket Cube = 2x2x2
Rubik’s Cube (the original) = 3x3x3
Rubik’s Revenge = 4x4x4
Professor’s Cube = 5x5x5
V-Cube 6 = 6x6x6 (a non-Rubik’s product)
V-Cube 7 = 7x7x7 (another non-Rubik’s product)