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