Meco Magnetism Gyro Spinning Top Kinetic Levitron Science Educational Supplies

Description: More than a mystery... it's an exercise in knowledge. 1.Spin this unique top on its base and watch it continue for hours, sometimes days without stopping... 2.The "Top Secret" consists of a spinning top with a radially oriented magnetic field and an associated base that houses a conductive coil. 3.Since the electromagnet is only engaged when the top crosses near the center of the base, one 9 volt battery can last for over a week of continual use. Specifications: Material: ABS Size: Height of spin top-2.2cm Diameter of spinning top-1.9cm Diameter of black plate-8.8cm Package Included:(Battery Not Included) 1 x Magnetism Gyro 1 x Black Chassis