The 5x5x5 Magic Cube also known as the Professor’s Cube is the invention of Udo Krell. It is a more complicated 5 layered version of the Rubiks Cube. Now the cubes have developed to 6x6, 7x7, 8x8, 9x9, 10x10, 11x11, 12x12, 13x13, 14x14, 15x15...21x21 cube
