Over 30 years of success hundreds of combinations to master This Rubik&s 4x 4 is no more difficult to solve than the original 3x 3 cube but requires different techniques Can you master the Rubik&s 4x 4 Cube? Give yourself a challenge No more difficult than the Rubik&s 3x 3
- just different techniques Extremely addictive once you start you can&t stop How quickly can you complete the Rubik&s 4x 4? Age 8