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solar magnetic levitation motor creative maglev furnishing articles science carbon brush dc motor/implant motor/rotating motor
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Electromagnetic Single Cylinder Engine Model Electric Magnetic Energy Conversion Science Toy 2019 New Arrival
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ENOVO Brain brain transection model in medical human.brain CT MRI brain magnetic resonance imaging
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MiDeer Body Cognition Cards Magnet Puzzle Fun Biology Science Educational Learning Toys for Children Kids Gift MD2031
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5V DIY Push Down Magnetic Suspension Kit Student Learning Education Science Toy Magnetic Levitation Tool
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Cylinder Water Cup Type Magnetic Levitation Solar Energy Electric Motor Creative Decoration Science Gift Learning & Education
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US $60.63
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