FREE: Newton's Cradle Steel Balance Balls Desk Physics Science Pendulum Desk Toy

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

Only bid on it if you agree to pay shipping fees. For shipping you have to pay $5.66. Free tracking number as listed. I can offer you 2 methods of paying:
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Features:
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.
Specifications:
Size: 87x75x95mm(LxWxH)
Net weight:96g
Package weight:106g
Color:Wine red+Silver
Packing content:1 x Balance Balls Desk Physics Science Pendulum Desk Toy.