Sunnytech Balance Physics Toy Steel Balancing Toy Kinetic Art Balance Balancing Decompressive Science Psychology Home Office Toy for Desk Decor Toy WJ153-WJ139

WJ153 Features: Total height: 140mm / 5.51 in Total length: 235mm / 9.25in Base diameter:50mm / 1.97in Net weight: 158 g / 0.35lb Material: silver steel. Packing: in box. Package Content: 1*toys 1*base WJ139 Features: -style: 2 dolphins -weight: 105g -material:Metal, acrylic -dimensions:55*(L)*90(W)*160(H)mm/ 2.16(L)*3.54(W)*6.30(H) in -occasions:office or home desk decor Attention: 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.