The LEGO Technic Deep Sea Explorer Submarine (42201) lets children aged 9 and over explore the exciting secrets of the oceans. The toy submarine has many functions that can also be found on real submersibles, such as steering, 3 rotating propellers, 3 air tanks and a Cockpit with seat and controls. In addition, the vehicle has an extendable arm with which it can grab the included barrel and hoist it on board. With this building set, children can create many adventures on the seabed. This model of a submarine is part of a whole series of LEGO Technic sets and building toys that faithfully reproduce the movements of real vehicles to introduce young builders to the world of technology. The playset makes a great gift for children who love to play with buildable vehicles. The LEGO Builder app offers your child an easy and intuitive building adventure. Your child can zoom and rotate 3D views of the models, save sets and track their building progress. The model is 15 cm high, 25 cm long and 15 cm wide. Contains 413 pieces.