Sunnytech Dolphins Kinetic Art Balancing Decompression Toy Decompressive Science Psychology Home Office Decor Desk Decor Toy (WJ124 HL05 Dolphins Toy)

ATTENTION: 1. It is not an item that never stops working. It moves and swing after you push, and finally it will stop due to the resistance of the air and friction if you know more about the law of energy conservation, you will not ask why. 2. The toy continues in perpetual motion for only about 2-3 minute due to the resistance of the air and friction. FEATURES: Sizes: 64*(L)*62(W)*155(H)mm/ 2.52(L)*2.44(W)*6.10(H) in Weight after packing: 150g/0.33lb. Material: metal, acrylic. PACKAGE CONTENT: 1*Dolphins Balance Toy 1*Base 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 traditionally.