Rubiks 5 X5 Puzzle Cube

From Spinmaster. The Rubik's Professor is one of the largest, most complex Cubes in the Rubik's family. The 5 5 puzzle features six sides, each with 25 tiles and is designed to push your problem-solving skills! Known as the Professor Cube due to the sheer difficulty to complete it, the 5 5 promises to push your problem-solving capacity to its limits! Are you ready to be a studious solver of the Rubik's Professor? The solve is in session!