Geomag 764 Mechanics Gravity Vertical Motor 183 pcsBuild a vertical motor driven by the invisible forces of magnetism and gravity The gravity motor uses the weight of the spheres to start the mechanism and generate motion without using electric motors or batteries Learn the basics of magnetism and use them to create controlled magnetic reactions. Stimulates creativity, imagination and intellect The Geomag series, winner of numerous awards, helpd children of all ages to develop imagination and