Guo Electronic Perpetual Motion Toy Simulation Milky Way Annularity Model Revolving Balance Balls Physics Science Toy Best Office Desktop Decoration

Brand new and high quality - Using durable plastic as base and sturdy stainless steel as frame.Size:22.5X10.5X25CM.

Educational Toy - It is also great for those enthusiastic about science or to demonstrate the laws of physics in science classrooms.Funny and useful for those kids who want to learn more about magnet and physics.Help to teach student in physic,make

Easy and convenient to use - gently push the outside circle,it will swing back and forth non-stop swing,inside the circle will also irregularly swing together.Magnetic swing,Just like a 3D globe.A good helper to reduce stress when you are bored.

Perfect Gift - It is a cool gift for the science physics.enthusiast., we can send it to our friends, children, family.This is the perfect desk toy to impress Colleagues and clients alike! An exquisite decoration that can be placed in house,school

Requires 4*AA batteries to operate. Battery not included.