Description

It can be aThe bumper ball is These swinging balls will keep you occupied for hours at work. .  The unique exclusive contemporary design makes it attactive and eye-catching. pplicable to desk and household decoration and also can be as a birthday gift. This item is used as decorative ornament for home and office or gifts for friends or someone you love.0px">a clever device that not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy.0px">When feeling tired of studying and working, you can stir balls to hear the clinking sound to ease

Features

- Color: As shown.
- Material: ABS.
- Size:  About 9x7.5x9.5 cm.
- The unique exclusive contemporary design makes it attactive and eye-catching.
- It can be applicable to desk and household decoration and also can be as a birthday gift. 
- These swinging balls will keep you occupied for hours at work and when feeling tired of studying and working, you can stir balls to hear the clinking sound to ease.
- The bumper ball is a clever device that not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy.
- Used as decorative ornament for home and office or gifts for friends or someone you love.

1 x bumper ball without battery

1.If you have some inquires or problems, Please feel free to contact us.
2.We will reply your email within 1 business day (except weekend).
3.When delivery is delayed or items are damaged during delivery, please email us first before you leave feedback. Thank you.