Each set contains 216 small, powerful rare earth magnets that can be shaped, molded, torn apart and snapped together in UNLIMITED WAYS.

The magnetic fields of magnetic balls are concentrated more at the poles than disc or block magnets. These balls are great for experimentation and magic tricks and are just plain fascinating to play with. 
Cybercube  is consisted of hundreds of individual strong neodymium balls.
You can create huge number of shapes and models according to your imagination by this amazing (NeoCube).