Newton\'s Cradle Fun Steel Balance Ball Physics Science Desk Toy Accessory Gift

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: Black & Silver
Item size: 90*76*92mm
Packaging size: 95*82*32mm
Net weight: 100g
Package weight: 110g

1 x Newton\'s Cradle Balance Balls Desk Toy