Gravity Balanced Pendulum Ball Toy For Home Decor And Birthday Gift Trending

Feature: \n 1. It is a very funny decompression toy that a ball can be used to hit other balls and swing.\n2. Excellent educational science tool, not only demonstrates a pendulum, but also shows the laws about conservation of momentum and energy.\n3. Made of high quality plastic + wrought iron material and durable steel ball, which is bright, not easy to rusty, it can be served for a long time.\n4. Can explain your child that physical knowledge, also help to explore the mysteries of the natural science, a funny gift to your friends, family and children.\n5. Perfect for decorating in the office, home and other indoor places. It is also a perfect birthday gift and children's toy. \n\nSpecification: \n\nItem Type: Balanced Ball Toy\nMaterial: Plastic + Wrought Iron\nColor: Black\nProduct Size: Approx. 7.5x13x10.1cm / 3.0x5.1x4.0in\nWeight: Approx. 226g / 8oz\nApplication: Balanced Ball Toy\n\nPackage List: \n 1 x Balanced Ball Toy \n\nNote: \n 1. Please allow 1\u20112in error due to man: