Physical Science Toy Newton Balance Pendulum Ball Collision Energy Conservation Law Ball Office Desktop Decoration Holiday Gift

Physical Science Toy Newton Balance Pendulum Ball Collision Energy Conservation Law Ball Office Desktop Decoration Holiday Gift Features：1.Stainless steel, solid iron ball, nylon sling,Accurate size ensures that it moves for a long time.2.Pick up a ball and release it freely. The ball on the other side will bounce. It can move repeatedly for a long time.3.Very suitable for desktop decoration, home decoration4.It relieves stress, relaxes, and adds a little fun to boring work.WARNING：This toy is not suitable for children under three years old because of small parts.5. Size: 9cm x 7.5cm x 9.5cm/3.54" x 2.95" x 3.74", Ball Diameter: 1cm/0.39" (Approx.)   Notes:Due to the difference between different monitors, the picture may not reflect the actual color of the item.Please allow slight measurement deviation caused by manual measurement, thank you for your understanding.