This stem toy by Geomag combines the forces of magnetism with the world of mechanical construction to stimulate creativity, inventiveness and ingenuity in your little ones. The mechanics challenge goal set includes magnetic rods, steel spheres and mechanical elements that connect together to create a mechanical magnetic launcher. Load a magnetic ball, take aim and shoot away! Precision, timing and dexterity are the key to winning this frenetic game! Ideal for kids above 7 years of age.