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【UNIQUE DESIGN】: The iron perpetual motion machine is simple in shape, unique and intricate in design to keep the ball rolling and amaze your friends,
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【UNIQUE DESIGN】: The iron perpetual motion machine is simple in shape, unique and intricate in design to keep the ball rolling and amaze your friends,
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1. Unique Design: The iron perpetual motion machine is simple in shape, unique and intricate in design to keep the ball rolling and amaze your
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High-tech: BMVVQUE Kinetic Art The appearance looks simple, but the technology and design behind it are quite complex. It takes a lot of time to build and test accurately. Surprise your friends with this clever toy and leave them scratching their heads. Everyone will love it. Education and Classics: Not only show pendulum movement, but also help to demonstrate the law of momentum and conservation of energy, experience the visual display of momentum.
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