America's favorite brain teaser from the 80's is back, now in an even more challenging 5X5X5 cube. This is a limited release upgrade on the Rubik's Original 3X3X3 Cube and the Rubik's Revenge 4X4X4 cube. Millions more combinations, still only one answer.

As of 2009, the world record for the Professor is Erik Akkersdijk with a time of 1 minute, 13.22 seconds set at the Aachen open 2009.....

how long do you think it will take you?