Mini Newton's Cradle Balance Balls Desk Set - Art in Motion (5 Stainless Steel Pendulum Balls, 3 1/2-Inch Frame);

Crenstone Newton's Cradle -- Classic Desktop Pendulum Balls -- 5 Stainless Steel Balls. This high quality balance balls desk set demonstrates Newton's Laws of Motion. This high quality balance balls desk set demonstrates Newton's Laws of Motion. Own your special piece of science and explore significant values of physics! Pendulum balls frame is 7.25 inches high, black plastic base. The perfect swinging balls desk toy for any office.