ZCtron Newtons Cradle Pendulum,Perpetual Motion Desk Toy,Swinging Kinetic Balls for Office Decor (7 x 7 x 6 in)

Newtons Cradle: Newton cradle demonstrates the third law of motion with swinging spheres; when one ball is lifted and released it sends force through the rest

pushing the end ball in the opposite direction; these swinging kinetic balls are perfect addition to your office desk decoration accessories or teaching tool at schools Perpetual Motion: The pendulum balls show the conservation of momentum and

creating perpetual motion that is ideal for desktop display Reliable Quality: Our newton's cradle desk toy is made with stainless steel bars

the balls have a reflective mirror finish

and the base is a lightweight plastic Dimensions: The desk balls pendulum stand measures 7 x 7 x 6 inches What's Included: Includes 1 Newtons cradle to add to your desk knick knacks and accessories