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Newton-s-Cradle-Balance-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 Newton-s-Cradle-Balance-Balls in classy quality. Contact us for lastest selling Newton-s-Cradle-Balance-Balls and advanced items. Welcome to to place bulk orders. Low price can be discussed.

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Pendulum Apparatus

Pendulum apparatus serves two learning purposes as it allows students to study both pendulum and gravity principles. The pendulum consists of one 1" steel ball, one 1" brass ball and one 1" wood ball, each attached to a piece of string. It comes with a sturdy steel support rod and base