Better is a always a matter of opinion. Some may say one whilst the other will say the other. There is no definitive answer.
boom cube
ice cube
petroleum jelly it is great for making the Rubik cube slide better
They stole it. They were sued by Ernő Rubik for patent infringement and they lost. However they got to sell millions of the cube when the cube was selling good. LIke many knock-offs their cube turned better and was considered a better speed cube.
Ice Cube.
beyblades
Idk because they're both great cubes....but the Zhanchi cube is fast, and the Shengshou cube is fast and smooth............Idk really
depends, which xbox
neither
The answer depends on what you were trying to predict.
A cube is a 3D figure. A square is a 2D shape.
a tube i'd say