Free: Newton's Cradle Balance Ball Physic - Other Toys & Hobbies - Auctions for Free Stuff

FREE: Newton's Cradle Balance Ball Physic

Newton's Cradle Balance Ball Physic
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The listing, Newton's Cradle Balance Ball Physic has ended.

100% Brand New and High Quality
Weight: 95g
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.
Base size: 8.8*7.5*1.2cm


“Only bid if you agree to pay a shipping fee. The winner has 7 days to pay shipping cost. If you do not pay within 7 days after won, I will re-list. For shipping, you have to pay $3.99. Free tracking number as listed. I can offer you 2 methods of paying:
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***if you can’t pay now, please leave your email address here !!! I will send you an invoice shipping in 3-5 working days. Via Airmail (economy shipping comes with free tracking number can’t track online)
Delivers in 3-4 weeks
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Newton's Cradle Balance Ball Physic is in the Toys & Hobbies | Other Toys & Hobbies category