I am quite disappointed with the design or built of the 4x4 Rubik's Revenge Cube made by Milton Bradley (that is what it says on the package). I am practicing solving the puzzle--I learned a while back how to solve it, and when I turn the sides, the pieces want to fall out, or during the rotation it gets stuck, so instead going forward I have to go backward in order to continue my turns.
The cube is fairly new, I've only had it for a few days. Purchased it at amazon.com. Package and everything seems to be the original Rubik's brand. I am wondering at this point if I got stuck with a defected cube? Or is this a common factor with the 4x4 cube from Milton Bradley?
I read at wikipedia.org that they mention a better build of this cube. Though it's smaller in design, at youtube.com they demonstrate how easy it is to rotate the sides without any problems at all. Almost to the point of being able to speed cube the puzzle. Do you guys know if that brand is better than this model?
I don't know whether to return this one, and just tell Amazon to let the people know at Milton Bradley that they really need to make a better design for this cube.