Sunnytech Two Handed Weight-Lifting Stainless Physics Balancing Tumbler Toy Kinetic Art Balance Toy Balancing Decompressive Science  (Multicolor)

Sunnytech Two Handed Weight-lifting Stainless Physics Balancing Tumbler Toy Kinetic Art Balance Toy Balancing Decompressive Science Psychology Home Offic Decor Desk Decor Toy WJ160 Stirlingtechonline is exclusive distributor and the owner of the brand "SunnyTech"----Please be sure you receive an authentic SunnyTech stirling with SunnyTech logo and only sold by Stirlingtechonline to ensure 1-year 100% Satisfaction Guarantee. Material---Silver steel Swing time---The toy continue in perpetual motion for ONLY 2-3 mintues due to the resistance of the air and friction. It's a classic desk accessory is art-in-motion.This cool desk toy will be a good icebreaker when you lay it in your office desk or your home desk. Use it to waste time, relieve stress, tune out boring coworkers, or schooling youngsters in physics. It is a amazing and fantastic product at this price,it can be a great gift to your families or friends. It also can be used for teaching purpose. Many of our customers comes from school, colleague,etc. Easy to install and uninstall. Video link https://goo.gl/wv36Yb This classic desktop toy provides you many benefits and entertainments, is suitable for various locations such as house or office, and is an intriguing device that not only demonstrates pendulum motion, but also helps to show the laws of Conservation of Momentum and Energy. Whether you are studying physics knowledge, working on complex analysis, or looking for a delicate gift, this toy is definitely what you really want.�History of the toy Balancing toys were popular in the 19th century. Dating back to ancient China and India, where they were most often carved from soft wood, the western balancing toys were traditionally made from tin or metal. Illustrations of balancing toys can be found in educational literature from the 18th century. The physics governing the movement of such toys intrigued and amazed people. Balance toys came in various forms, and our particular shape is traditionallyFeatures:� Principle: Not only demonstrates of balance, but als