Fiaya Electronic Perpetual Motion Revolving Balance Balls Physics Science Desk Toy Home Decor

Product Material: metal and plastic.Easy and convenient to use.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.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.Requires Four AA battery to operate. Battery not included.
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