Description: Newtons Cradle Steel Balance Pendulum Ball Physics Science Fun Desk Toy Development Educational Teaching Accessory Gift Physical mechanics experiment equipment teaching apparatus Material: Plastic, steel Color: Red Size Chart: Size: Approx. 8.5 x 5.5 x 3.5cm/ 3.34 x 2.16 x 1.37inch Package Includes: 1 Set Newton's Cradle
