This stem toy by Geomag combines the forces of magnetism with the world of mechanical construction, to stimulate creativity, inventiveness and ingenuity. Geomag magnetic motion includes 17 blue magnetic rods, 24 steel spheres, and 44 mechanical elements that connect together to extend play. The set also includes a manual. By way of spinning, flipping and rotating, these elements attract or repel to trigger a series of chain reactions. Make a whirling gizmo star, an architectural masterpiece or something wild and undefinable – the choice is yours! Ideal for kids above 7 years of age.