Technic Deep-Sea Research Submarine 42201Inspire kids aged 9 and up to explore the secrets of the oceans with this Deep Sea Research Submarine toy set (42201). The model is packed with features like those found on real submarines, including steering, 3 spinning propellers, 3 air tanks, and a cockpit with seat and controls. The submarine features an extending arm to grab and lift the barrel accessory as kids play out their own sea bed adventures.