Newton"s Cradle Balance Balls Kids Educational Toys Physics Science Pendulum Desktop Decoration

Feature: 1. Suitable for home decoration, study and office table decoration. 2. Also a perfect birthday gift and a children"s toy. 3. Excellent educational scientific tool, which shows the pendulum and the Laws of conservation of Momentum and Energy. 4. It is a very funny decompression toy that a ball can be used to hit other balls and swing. 5. High grade ABS plastic tough fishing line and sturdy metal ball, durable to use. Specification: Item Type: Balance Balls Toy Ball Material: Metal Fish Wire Material: ABS Plastic Size: Large Package List: 1 x Base1 x Bracket