Balanced Ball Educational Science Toy for Kids & Adults - 3.1" x 2.8" x 3.5" Physics Learning Tool, Home & Office Desk Decoration - Perfect for STEM Learning, Stress Relief & Creative Decor

Feature:1. An excellent educational science tool shows the swing, but also the law of conservation of momentum and energy.2. When you are tired of studying and working, you can stir the ball to hear the jingling sound to reduce stress.3. Owning scientific history and exploring the important value of physics, suitable for birthday gift and children's toy.4. Pull one or more balls backwards, release them, and the same number of balls will swing on the other side.5. Interesting and suitable for decoration, perfect for home decoration, study or office table decoration accessories.Specification:Condition: 100% Brand NewItem Type: Home OrnamentMaterial: MetalProduct Size: Approx. 8 x 7 x 9 cm / 3.1 x 2.8 x 3.5 in Package List:1 x Ball Toy

An excellent educational science tool shows the swing, but also the law of conservation of momentum and energy.

When you are tired of studying and working, you can stir the ball to hear the jingling sound to reduce stress.

Owning scientific history and exploring the important value of physics, suitable for birthday gift and children's toy.

Pull one or more balls backwards, release them, and the same number of balls will swing on the other side.

Interesting and suitable for decoration, perfect for home decoration, study or office table decoration accessories.