Question: how many types of rubik's cubes are there?
Answer: There are different variations of Rubik's Cubes with up to 33 layers, with 2 × 2 × 2 (Pocket/Mini Cube), standard 3 × 3 × 3 cube, 4 × 4 × 4 (Rubik's Revenge/Master Cube), and 5 × 5 × 5 (Professor's Cube) the most well known.