Balance Balls Toy, Mini Newton's Cradle Ball Ironman Pendulum Lifting Physics Classic Science Fun Office Desk Toy

Motion Toy: When you put the small people on the plastic base and poke it, it will swing on both sides for a while. Size: 18 x 11 cm / 7.09 x 4.33 inch. Put on the desk steadily, do not occupy the space. Excellent Material: This motion toy is made of stainless steel material, anti-rusty, safe and smooth to touch. Science Toy: Excellent educational science gadget. Not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy. Practical: Great for home ornament, study or office desk table decor accessories, etc. Also good for birthday gift and kids toy., Manufacturer: Aramox