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NICENICY Perpetual Motion Machine Simulator, Kinetic Art Perpetual Motion Device, Stable Electromagnetic Drive, Educational Gadget for Teaching Students, Science Physics Gadget. Wood Grain
More Stable, Lower Sound Equipped with electromagnetic drive power, this upgraded version perpetual motion device runs stably with a much lower sound, defeating the old version driven by noisy motor. Please watch our video to see the device’s loudness of the running sound. Customers who care about it please think twice before purchase. Funny Science Physics Gadget Literally you can watch the steel ball all day rolling round and round! This perpetual motion machine takes advantage of the electromagnetic induction and laws of gravity, making the ball “dancing” continually, to attract kids to learn more about physical science. Also, adults

Price is $48.00
Price: $47.99