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