Newton's Cradle Desktop Toy Steel Ball Balance Long Swing Time: Classic design, due to the of air and friction, the balance ball can last 15‑20 seconds and it lats longer time. Swinging Ball Toy Newton Pendulum Ball Physics Science Balance Ball Desktop Entertainment Decoration Stress Reliever Gadget Specification: Item Type: Balance Ball Material: ABS plastic, Metal Combined size: Approx., 9., 5 x 9 x 7., 5cm/3., 7 x 3., 5 x 2., 9in Color: Black, wine red Package List: 1 x Base 1 x Balance Ball Enjoy the physics behind the movement. [ENGAGING AND EDUCATIONAL] Teaches children about energy conservation in a fun way. Ideal for science education at home. [ GIFT CHOICE] Classic design that makes a thoughtful present for kids, friends, and family. A decorative and stress-relieving item Relieve stress: Balls Toy is a charming desk decoration that can not only add beauty to the room, but also relieve your stress when playing. Educational... Exquisite Production: Each ball has been accurately measured, weight is uniform and consistent, and uniquely selected base and ball are made of materials. Relieve Stress: Balls toy is a charming desk decoration that can not only add beauty to the room, but also relieve your stress when playing.
Free 30-day returns 
Free 30-day returns
