Description: This motion toy is made of stainless steel material, anti-rusty, safe and smooth to touch. Great for home ornament, study or office desk table decor accessories, etc. Also good for birthday gift and kids toy. Features: Made of stainless steel material, anti-rusty, safe and smooth to touch. Put on the desk steadily, do not occupy the space. As an educational toy to improve your children's study about perpetual motions. When you put the small people on the plastic base and poke it, it will swing on both sides for a while. Excellent educational & science gadget, own your very own piece of scientific history and explore significant values of physics. Great for home ornament, study or office desk table decor accessories, etc. Also good for birthday gift and kids toy. Specification: Condition: 100% brand new Material: Stainless steel and Plastic Color: Sliver Size: 18 x 11 cm / 7.09 x 4.33 inch(appr.) Package Included: 1 Set Motion Toy Note: 1. Please allow 1-2 cm error due to manual measurement and make sure you do not mind before ordering. 2. Please understand that colors may exist chromatic aberration as the different placement of pictures.