Pendulum Balance Ball Newton Cradle With Mirror Desktop Toy Game Black

Perfect addition to your desk accessories and decorations.
Use the pendulum balls in your science or physics classroom to teach students about conservation of momentum and energy
Made with stainless steel rods, the balls have a reflective mirror finish, and the base is lightweight plastic.

• A fantastically relaxing object to have ticking and clicking away at your fingers as you are working, play or rest.
• Sit back and watch the soothing motion of the steel balls swinging back and forth, listen to the gentle click as each balls tap each other.
• No matter how stressed out you are, Newton Balls will have you relaxed in minutes.
• Creative ornaments for home office desk table top decoration.
• A classic fun gadget desk toy for everyone!
• Easy to use
• Exquisite Workmanship
• Well Made
• Best Choice and best discounts