WNSC Science Balance Ball Toy - N-Shape Physics Learning Desk Toy for Kids, Durable Educational STEM Gift for Birthday & Home Improvement | Perfect for Classroom Experiments & Office Stress Relief

Feature:1. This is a very interesting decompression toy, the steel ball can swing back and forth.2. It perfectly demonstrates the law of conservation of momentum and energy.3. Using high‑grade plastic and sturdy steel ball materials, it is durable and long service life.4. Exquisite shape, suitable for home improvement, study and desk decoration.5. Excellent educational science tool, is also a perfect birthday gift and children's toy.Spec:Condition: 100% Brand NewItem Type: Balanced Ball ToyMaterial: ABS+ Steel BallBase Color: RedWeight: Approx. 573g / 20.2ozSize: Approx. 18x10x19cm / 7.1x3.9x7.5inFeatures: Excellent educational scientific tools, showing the law of conservation of momentum and energyPackage List:1 x Swing Ball ToyNotice:1.Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

Using high‑grade plastic and sturdy steel ball materials, it is durable and long service life.

This is a very interesting decompression toy, the steel ball can swing back and forth.

Exquisite shape, suitable for home improvement, study and desk decoration.

Excellent educational science tool, is also a perfect birthday gift and children's toy.

It perfectly demonstrates the law of conservation of momentum and energy.