Description
This is an electronic perpetual motion desk toy that has a revolving balance balls on top. It is made of metal and plastic and is 11x22 cm. It requires four AA batteries to operate.
Electronic Perpetual Motion Desk Toy Revolving Balance Balls Physics Science Toy?Product description?100% brand new and high quality.Quantity:1pcs.Product Material: metal and plastic.Size:11x22cm.Easy and convenient to use.This is the perfect desk toy to impress Colleagues and clients alike! Perpetual Motion Desktop Toy is perfect for your outer space themed office or room decor.It is also great for those enthusiastic about science or to demonstrate the laws of physics in science classrooms.A simple spin of the top of the base sets the galaxy in motion.A top seller in the space museum stores and a cool gift for the science physics enthusiast.Requires Four AA battery to operate. Battery not included.?Package Include?1 x Electronic Perpetual Motion Desk Toy Revolving Balance Balls Physics Science Toy