1、Multi Purpose: Electronic perpetual motion desk toy has many uses, it can be used as a desktop toy and also a decorative ornament for the desktop. 2、Fashionable Unique Appearance: The decoration has a stylish and unique design, placed on the desktop, and adds a sense of fashion to your desktop. 3、Plastic Material: Newtons cradles desk toys is made of plastic, rust proof and wear resistant, it is the perfect decoration for space theme parties. 4、Wide Application: Desk accessories are exquisite decorations, which can be placed on the desktop of your home, school or office. They are very practical and beautiful. 5、Exquisite Gifts: Color desk decorations can be used as gifts for our friends, children, family members, fashionable tabletop toys suitable for adults and children. Item Type: Electronic Perpetual Motion Desk Toy Product Material: Plastic Product Use:For Gifts, Etc. Battery: 4 AA Batteries (Delivered Without Batteries) Bottom Diameter: Approx. 11cm / 4.3in Circle Diameter: Approx. 21cm / 8.3in Height: Approx. 21cm / 8.3in 2 x Outer Bracket 1 x Base 1 x Big Circle 1 x Medium Circle 1 x Small Circle 1 x Sphere Circle