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

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Free Fall Tube

Free Fall Tube is an economical version of a classic device!Demonstrates that all all objects experience the same gravitational acceleration in a vacuum, but that in air, the air resistance slows down some objects more that others. Features a disc and a feather in a durable,clear plastic tube, 90cm long and 4.5cm wide, with rubber end caps and hose cock for connection to any standard vacuum pump(not included)