• This Science Physics Gadget is made of quality plastic and metal material, sturdy and durable to use.
• Elegant decor and stylish design make it a great decor for your bedroom or office.
• Pull one or more of the balls, release them and the same number of balls will swing on the other side.
• This Kinetic Motion Toy is great toy for both adults and children to relieve their stress.
• The Desk Balance Balls is widely used for home / office desk decoration or birthday present.