SINEDY Magnetic Levitation Anti Gravity Device Toy This magnetic levitator magnetically floats in a state of near perpetual motion demonstrating many principles of physics. Just give it a gentle spin ant it will amaze you with it's magnetic magic. Complete instructions are included. Amazing revolution magnetic toy. Numerous other physical properties which guide our universe can be demonstrated in this simple device. Amazing revolution can float in the air and turn without power. Very funny and useful for those kids who want to learn much about magnet and physics. Classic ultimate anti gravity spinning device. Appears to float in space because of a small friction point. Rotate for a surprising amount of time. A great desk-top distraction. Size:13.5cm x 8cm x 5.5cm - 5.31inch x 3.15inch x 2.17inch.