Rubik cube 3x3x3 40 anniversary. Rubik's cube 3x3 signed by Erno Rubik. - MasKeCubos
40x40x40 Simulation Cube Solve - YouTube
I have a record number of Rubik's Cubes — and I can solve one in 40 seconds
Solving the world's largest Rubik's Cube takes seven and a half hours #RubiksCube « Adafruit Industries – Makers, hackers, artists, designers and engineers!