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Black Magnetron Magnetic Desk Toy

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Here is a simple magnetic toy that puts on a trippy show as you spin it. This Black Magnetron has rotors with 3 magnet arms. As you spin one or both, they interact with each other, with the momentum bouncing back and forth between the two rotors.

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Andrews Magnetron Magnetic Fascination (US Patent #5135425​) is rare, but you can always find it on eBay.


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