Toysmith Newton's Cradle
Newton's Cradle is a classic! Also known as balance balls, these steel balls keep you entertained throughout the day. Pull back one or more of the balls and let them drop down.
- Start a kinetic chain reaction with one ball
- Encourages relaxation, curiosity, interest in physics
- Operates by the law of conservation of momentum
- Product Dimensions: 4.6 x 3.7 x 1.5 inches
- Manufacturer: Toysmith
- Ages: 12+
/!\ WARNING: Choking Hazard—Item contains small parts. Not for children under 3.