Newtons Cradle Steel Pendulum Balance Ball Physics Toy Office Desk Decor Gifts

Description

Features
1. Excellent educational science gadget. Not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy.
2. Easy to Use---Pull back one or more of the balance balls, release them and the same number of balls will swing up on the opposite side.
3. Made of steel material, bright, preservative and not easy to rusty. Made with a new technology that makes the balls in perfect alignment so you will never have to worry about the strings becoming tangled.
Specification
Material: Metal, Wood
Color: See Photo
Package Includes:
1 x Balance Steel Balls