木基地的牛顿的摇篮--YG002A

wooden base newton cradle newton cradle Features: 1) Wooden base newton cradle Dimensions: 18.2*15.2*18.5cm Balls diameter:22.23 MM , Packing : Each parts/ opp bags/ 1 sets/ colorful or white box /36 set/ctn . 2)wooden base newton cradle Material: chrome iron on the sturdy frame, pedestal is wood metal or plastic frame, Five iron balls 3) We are specialized in producing Newton's cradle . It is a good education toy for kids to learn Physics . It can be treat as a promotional gift . Many people like it ! 4)Our balance ball depend on Newton's gravitation to swing the ball each other, when you pull the forefront impact second ball,the lasted ball will waggle. 5) You can choose pedestal plastic or wood and plastic & metal frame. Client 's logo are available .