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Collision-Apparatus-Newtown-Pendulum-balls is a kind fashion product from Hema brand factory. As the manufacturer and supplier in China, we provide customized service and make newest and fashion Collision-Apparatus-Newtown-Pendulum-balls in classy quality. Contact us for lastest selling Collision-Apparatus-Newtown-Pendulum-balls and advanced items. Welcome to to place bulk orders. Low price can be discussed.

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Newton's Cradle Steel Balance Balls

Newton's Cradle Steel Balance Balls is a best and useful gift for children to arouse his/her interest in physics. Not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy. Friction and damping effects are also observed.