Build 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 imagination and curiosity through the science of magnetic constructions Suitable for children aged 8 years old and above. Consisting of 130 pieces that can easily be combined with each other