Professor's Cube

The Professor's Cube is a mechanical puzzle, a 5×5×5 version of the Rubik's Cube. It has qualities in common with both the original 3×3×3 Rubik's Cube and the 4×4×4 Rubik's Revenge, and knowing how to solve either can help when working on the 5×5×5 cube.

Official Professor's Cube (left), V-Cube 5 (center) and Eastsheen 5×5×5 (right)