Magnetic Levitating Flying Saucer UFO Bluetooth Speaker
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In 1893, at the Chicago World’s Fair, Tesla demonstrated his Egg of Columbus invention that demonstrates rotating magnetic fields. It can get a copper egg to stand on one end. Since then, there have been many reactions of it. This one is a compact version of it that you can easily display on your desk or in any classroom for physics demonstration.
This toy has a silicone steel core an a transparent acrylic structure. It works with many cool desk toys, including the PhiTOP. It simply rotates two magnets to create a magnetic vortex and make a metal egg stand up.
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