HOW TO PLAY - Leave the steel on the steel cylinder base and give it a gentle push. You can leave the stand in one place, try gently and slowly, just avoid dropping it, it proves the scientific and will captivate you for hours. Warning: it is completely addictive. Sizes: 17.5 cm (W) x 11.4 cm (H). Measure the size with a ruler instead of imagining the size in your mind. SWING TIME - Most of the material is silver steel, has a surface, will not tarnish and fade, always looks like new. The toy continued to move for ONLY 2-3 due to air resistance and friction. BALANCE TOY - One-legged, holding up two large steel balls with two hands, swinging when the wind blows or with light contact, it's a bit difficult to make it fall. It is balanced, like a tumbler. It can stand in many unexpected places, such as hand, vehicle and so on. EXQUISITE GIFT - This is a and product for this, it can be a great gift for your families or. It can also be used for teaching, many of the customers are from school, colleagues, easy to install and uninstall. TIME - It's a classic and fun desk toy, this cool toy can be great when you put it in your office or home, it's a perfect desk toy to kill time, relieve stress and shut out boring colleagues without going out. color: silver + gold material: iron size: 17.5x11.5cm Package contents: 1 x Balance toy Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The allowed measurement error is +/- 1-3 cm.