An explorer toy for kids who love submarinesThe LEGO Technic Deep Sea Explorer Submarine (42201) lets kids aged 9 and up explore the mysteries of the oceans. The model has many features found on real submersibles, such as steering, 3 spinning propellers, 3 air tanks, and a cockpit with seat and controls. In addition, the submarine has an extendable arm with which it can grab the contained barrel and heave it on board. With this set, children can create many adventures on the bottom of the sea. This model of a submarine is part of a series of LEGO Technic sets that faithfully recreate the movements of real vehicles to introduce young builders to the world of engineering. The set makes a great gift for kids who love to play with buildable vehicles. The LEGO Builder app offers your child an easy and in-the-minute solution.