【Perfect Educational Newton Ball】According to the law of conservation of momentum and energy, the metal ball will not swing forever because of resistance. Usually, under normal conditions, the ball will swing for about 15-30 seconds. However, due to different forces and circumstances, the swing time will also vary.
【Excellent table top decoration】This is a very interesting decompression Newton ball, one ball can hit other balls and swing. (mini rocking basketball, please don’t shake the metal ball hard) It is very suitable for the decoration of indoor places such as office and home.
【Stress Relief】Newton Balance Ball is suitable for children and adults, it is perfect for eliminating boring time and relieve stress. Pull one or more balls, release them and the same number of balls will swing on the other side.