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Mystery Top Secret Electromagnetic Spinning Top Peg-top Item No:
Incredible kinetic spinning top
This is a mysterious top that it spins long long time,one day,two days,even a week!
Only you need to do is just spin it on the base, and it seems never stop
Howe it happene?
The "Top Secret" consists of a spinning top with a radially oriented magnetic field and an associated base that houses a conductive coil. When the top spins past the center of the base, its changing magnetic field induces a current in the coil which momentarily opens the switch to the battery resulting in powering up the electromagnet. The electromagnet then delivers enough torque to the spinning top to allow it to speed up and spin away from the center. 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!
Add a incredible desktop decoration on your desk !
Also suitable for children playing
Net Weight: 112g/3.95oz
Color: mainly black
Top Size: 20 x 20 x 20mm/0.79 x 0.79 x 0.79inch
Base Size: 98 x 98 x 40mm/3.95 x 3.95 x 1.57inch
Mystery Top Secret Electromagnetic Spinning Top Peg-top Wholesalers, Exporters, Suppliers, Manufacturers, Factories, Distributors, Customized Mystery Top Secret Electromagnetic Spinning Top Peg-top Custom Printed