This is not truly a "headache" for those who want to finish it repeatedly can readily see that a resolution method is required. These methods are available on the net because it is not the little booklet that comes with the cube that will put you on the path of light ... The interest thus Rubik's Cube is the order of: - Learning algorithms - Recognition of the various scenarios - From the speed of execution Once mastered, the realization of the Cube is also a relaxing jacuzzi! Only downside: the color labels stand out very quickly ...