This is a nice gift, we can give it to our friends, kids, family. Tabletop toys for adults and children.Versatile - sophisticated decor for home, school or office. and useful for kids who want to learn more about magnets and physics.It is made of metal and plastic. It is the perfect decoration for space themed parties.A 9V battery is required for operation. Batteries not included. The color of the balls is random, don't accept the specified color.Colour: as shownMaterial: metal + plasticSize: 235x23x11cmPackage Contents:1 * Desk toyOnly 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 measurement allowed error is +/- 1-3cm.