| Brand | Unbranded |
|---|---|
| Color | Black |
| Material | Acrylic,Steel |
| Model | Pendulum Balls |
| Occasion | School |
| Style | Modern |
Check the listing for details. Newtons Cradle Balance Balls Physics Gadget for Home Office Decorative Model. Color: Black, Condition: New. Listed at 11.71 USD. Item Type:Pendulum Balls. Solid steel ball, good vertical sense, strong force when stressed.