Collecting listings has surprises
Description
This item is made of premium material, durable and practial for long time use. Perfect for as a decorative ornament for home and office or as gifts for friends or someone who you loves.
. The unqiue design make it more attractive and popular
Features
- Color: Silver and Black.
- Material: Stainless steel + ABS.
- Size: About 9 x 7.5 x 9.5 cm.
- Perfect for as a decorative ornament for home and office or as gifts for friends or someone who you loves.
- Made of premium material, durable and practial for long time use.
- The bumper ball is a nice device that not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy.
- A great science teaching auxiliary model for physics class or a toy for scienece enlightment.
- The precise and unqiue design make it more attractive and popular.
newton s cradle balance balls