The Rubik's cube is actually the latest generation created by Rubik's, stickers are replaced by plastic tiles and therefore more likely to dent the corners. The mechanism has also been revised for better fluidity, however, when the object is new it is a bit hard it must lurk a little ...
The small manual describes how to get there by presenting a method, sometimes the explanation seems a little tight especially when we get closer to the end.
It is sold cheaper than the old 0730 model, which pretty crazy, so do not hesitate!