Usage Tips:Item Type: Perpetual Motion Desk Ball Toy <br>Material: Plastic, Metal <br>Size: Approx. 15 x 10 x 13cm / 5.91 x 3.94 x 5.12in <br>1、Perpetual Motion: Perpetual motion steel ball toy using the principle of dynamics, perpetual motion like movement, let you feel the special of art <br>2、Relieve Stress and Anxiety: Steel balls in the cycle process, can bring relaxation and decompression effect, which can effectively eliminate stress. <br>3、Fine Workmanship: Perpetual motion rolling balls with exquisite craftsmanship, can be used as a decoration, make your home and office full of art feeling. <br>4、Widely Use: Perpetual motion ball desk toy adopted multifunctional design, can be used as decorations, and also can be used as stress relief toys. <br>5、Plastic Metal: Perpetual motion rolling balls toy made of plastic and metal materials, firm and durable, which is safe and reliable for people of all ages.Warm Tip: Children should play under adult supervision to avoid swallowing small toy parts.1 x&nbsp;Perpetual&nbsp;Motion&nbsp;Ball Toy<p>5 x Steel Balls</p><p>1 x USB Cable</p> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store