FREE: Newton's Cradle Steel Balance swing ball Physics Science Pendulum Desk

The listing, Newton's Cradle Steel Balance swing ball Physics Science Pendulum Desk has ended.

100% Brand New and High Quality

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

Friction and damping effects are also observed.

Often used as a toy to amuse people.

Includes steel balls, plastic frames and base.

Great gift for everyone.

Original box: Yes

Color: Brown & Silver

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Delivers in 3-4 weeks (deliver need 20 - 30 days)

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Shipping Terms:
USA / Australia / Canada / UK : 20-30 biz days to be delivered by unregistered Air Mail
Russia, Brazil, N and S.America Countries: 40-60 biz days to be delivered by unregistered Air Mail


For Fast shipping I can provide you ( Shipping fee will be more than $25 )
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