Newton's cradle demonstrates the third law of motion with swinging spheres. When one ball is lifted and released, it sends force through the rest, pushing the end ball in the opposite direction. Display the physics desk toy on your desktop or in the classroom to teach young children about physics. This office desk toy can also make a great gift for coworkers and your boss. Recommended for ages 5 years and up. Assembly acquired: insert the frame into the base.

• Newtons Cradle: These swinging kinetic balls are sure to make the perfect addition to your desktop accessories and decorations or teaching tool at schools
• Physics Demonstration: Use the pendulum balls in science or physics classroom to teach students about the conservation of momentum and energy
• Reliable Quality: Our newtons cradle pendulum is made with stainless steel bars, the balls have a reflective mirror finish, and the base is a lightweight plastic
• Dimensions: The physics desk toy stand measures 7 x 7 x 6 inches
• Comes With: You will receive 1 Newtons cradle to add to your office toys, desk gadgets, knick-knacks, and accessories