Sunnytech Steel Balance Plane Physics Toy Kinetic Art Balance Toy Balancing Decompressive Science Home Office Toy for Desk Decor Toy WJ066

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.'