Inspire 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. This submarine model kit comes from a range of LEGO® Technic™ sets which feature realistic movement to introduce young builders to the universe of engineering. This set makes a great gift for kids who enjoy buildable vehicle toys. Let the LEGO Builder app guide your child on an intuitive building adventure, allowing them to zoom in and rotate models in 3D, save sets and track their progress. Submarine toy set for kids aged 9 and up – Let young science and engineering fans create their own deep-sea adventures with this LEGO® Technic™ Deep-Sea Research Submarine toy Lots of realistic features – This creative building set includes lots of realistic features like the rotating propellers and grabbing arm to help kids explore how submarines work Opening cockpit – The transparent cockpit opens to give access to the seat and controls Barrel accessory – The set comes with a barrel accessory, which kids can pick up using the submarine’s extending grabbing arm A gift for kids – This set makes a fun gift idea for kids who like exploring science and engineering toys or anyone who is interested in submarines and deep-sea exploration A helping hand – Discover intuitive instructions in the LEGO® Builder app, where builders can zoom in and rotate models in 3D, track their progress and save sets as they develop new skills An introduction to engineering – LEGO® Technic™ sets featurerealistic movement and mechanisms to introduce young LEGO builders to the universe of engineering Measurements – A 413-piece set with a model measuring over 6 in. (15 cm) high, 9.5 in. (25 cm) long and 6 in. (15 cm) wide