Features:
1) Dimensions:9cm*9cm*11cm
2) Material: iron
3)Five iron balls.good for office desk
4)Balance Ball Diameter;13.5cm
Features:
1) Dimensions: 9cm*9cm*11cm
2) Material: chrome iron wire,
3)Iron balls depend on magnetic theory swing
4)Balance Ball Diameter;13.5cm
5)We are specialized in producing Newton's cradle.It is a good education toy for kids to learn Physics
6)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.
7)Client's logo are available
8)Packing:Each parts/opp bags/1sets/colorful box/48sets/ctn