ZCtron Arc-shaped Ton's Cradle Balance Ball Ton Pendulum Perpetual Motion Instrument Science Toy

The product is shipped based on the COR or TAMANHO of the main image of the product page

Arc-shaped ton's Cradle Balance Ball ton Pendulum Perpetual Motion Instrument Science ToySpecificationName: ton pendulumTAMANHO: 26* 16 *23cm sphere diameter 1

6cmMaterial: plastic + nylon line + steel ballFeatures1

The principle of conservation of momentum in physics toggle one, two, three ball, can see different effects, fun unlimited2

Not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy

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Friction and damping effects are also observed

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Often used as a toy to amuse people

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Includes steel balls, plastic frames and base

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Great gift for everyone

Package included1x ton's pendulum