Then, the flow in the bearings is really excellent. I did this test to people of the generation of Rubik's Cube (over 40 years). They all unanimously find the product pleasant to be resolved (for those who have not forgotten). Above all, the disappearance of stickers that blocked the mechanism when they began to take off.
For me the downside would be the small sound spring when turning the faces I do not know if this is normal
