Rubik's 6063978 Color Matching Professor, Ultra Complex Puzzle, 5x5

THE ORIGINAL RUBIK'S CUBE RANGE - Combining math, art and science, the iconic Rubiks Cube puts your mind and problem solving skills to the test. This ultra-intricate puzzle is an adaptation of the Rubik's Cube 3x3 and is the perfect gift for any Rubik's Cube lover looking for an advanced challenge.

eBay