Kurtzy Cradle Pendulum Perpetual Motion Toy Swing Balance Decoration Figurine Decorative Showpiece - 13.5 cm  (Plastic, Steel, Brown)

Material Characteristics: This table top pendulum is a simple construction made up of high quality Plastic base and arch to which highly durable nylon stings which bare the spheres are attached. The length is about is 13.5 cm, width is about 11 cm and height is about 13.5 cm. Noble Design: Shining arch cradle frame made of High quality PP material, Stainless metal balls hanging on durable Nylon strings?and Vintage plastic base, can be put on your desk, shelf and more. Note: Pendulum may tangle if you operate wrongly. Kindly handle with care while unpacking. Fun play: When sphere is lifted and released at one end, the sphere at the other end lifts upward due to the force that has been transmitted through the stationery spheres. The last sphere which was lifted upwards now drops and force is transmitted through the remaining stationery spheres and repeating in the opposite direction. Usage: Great fun, educational physics demonstrator, the Newton's cradle is a great invention for both kids and adults, intellectual and elegant decoration for your room and office. Whether you are studying physics knowledge, working on complex analysis, or looking for a delicate gift, this Newton Cradle Balance Balls is definitely what you really want.