Feature:
1. Exquisite Production: Each ball has been accurately measured, weight is uniform and consistent, and uniquely selected base and ball are made of high quality materials.
2. Long Swing Time: Classic design, due to the of air and friction, the balance ball can last 15‑20 seconds and it lats longer time.
3. Multiple Ways Of Playing: For example, one ball at one end hits neighbor, the ball at the other end hits air, while ball in the middle stays still.
4. Relieve Stress: Balls toy is a charming desk decoration that can not only add beauty to the room, but also relieve your stress when playing.
5. Educational Significance: Balls toy is also a school education gadget, which can children to understand meaning of energy conservation.

Specification:
Item Type: Balance Pendulum Ball
Material: ABS plastic, Metal
Combined size: Approx. 9.5 x 9 x 7.5cm/3.7 x 3.5 x 2.9in
Color: Black, wine red

Package List:
1 x Base
1 x Balance Ball