Calling all future engineers. The magnetic construction system with mechanical drive for system expansion and additional play possibilities. Geomag Mechanics Motion is the construction platform that combines the forces of magnetism with a world of mechanical construction, to stimulate creativity, inventiveness and ingenuity. In addition to the classic magnetic rods and steel spheres, Geomag mechanics adds mechanical elements within the constructions, expanding the play possibilities: some parts of the structures are able to rotate, triggering chain reactions from the magnetic attraction and repulsion. Discover chain reactions and harness the invisible force of magnetism to create movement and chain reaction. The set includes a compass to build yourself. Age 7+ 35 pieces