Geomag 765 Mechanics Gravity Elevator Circuit 207 pcsBuild a circuit driven by the invisible forces of magnetism and gravity The magnetic cannon uses the force of attraction to accelerate and push the spheres. The movement is generated without the use of 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