The Levitron is able to levitate in mid-air by harnessing the lifting power produced by two opposing magnets and is stabilized using the gyroscopic effect that is produced by spinning.
The Levitron is a challenging puzzle to master. The longer you practice, the longer you will be able to keep the top floating and learn to perform tricks with it. It's getting to that point the separates the serious from the fly-by-nights.
Comes with complete instructions plus a detailed scientific explanation for the science behind it.
The Perpetuator is a special electronic drive that creates perpetual levitation.