Sell Hengyu Newton's Cradle Steel Balance Ball Physics Science Pendulum Desk Fun Toy Gift best price

❤ * ❤ * ❤ * Welcome to #Heng *❤ * ❤ * ❤ ★★★★Surprises for you★★★★ ☛Follow Shop；Free gift for you！ ☛High comment: Priority Shipping+5% discount for next order！ ☛Shipping within 1-24 hours! ☛Ready stock and fast shipping! 【MY Industrial/Home Tool Shop: #Xguli 】 Features: Friction and damping effects are also observed. Excellent educational science gadget. Not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy. Science toy. When feeling tired of studying and working, you can stir balls to hear the clinking sound to ease. Excellent educational & science gadget, own your very own piece of scientific history and explore significant values of physics. Pull back one or more of the balance balls, release them and the same number of balls will swing up on the opposite side. Great for home ornament, study or office desk table decor accessories, etc. Also good for birthday gift and kids toy. Specification:  Condition: 100% brand new Material: Plastic + Iron Color: Sliver Size: 9.2 x 7.5 x 9cm / 3.62 x 2.95 x 3.54 inch(appr.) Package Included: 1 x Balance Balls Toy Note: 1. Please allow 1-2 cm error due to manual measurement and make sure you do not mind before ordering. 2. Please understand that colors may exist chromatic aberration as the different placement of pictures. #BalanceBallsToy #Newton'sBalanceBalls #BalanceBallsDecor #BallsScienceToy #ScienceBalanceBalls