Newtons Cradle Balance Balls Physics Pendulum Science Desk Office Classic Toys

Desktop version of Newton's Cradle of Colliding pendulum Balls. | Demonstrates the principles of perpetual motion desk toy energy and conservation of momentum. | Contemporary design complements any office or home decor. | Pull back one or more of the balance mini newton balls balls, release them and the same number of newton balls will swing up on the opposite side. | The Classic Executive Desk Toy.