Inspire kids to explore the secrets of the oceans with this Deep-Sea Research Submarine toy for 9 plus year old boys and girls (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 a seat and controls. The toy submarine in this LEGO Technic set features an extending arm to grab and lift the barrel accessory as kids play out their own sea-bed adventures. 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. This buildable submarine toy comes from a range of LEGO Technic sets that feature realistic movement to introduce young builders to the universe of engineering. This set makes a great gift for 9 plus year old boys, girls and kids who enjoy imaginative play with buildable LEGO vehicle toys. - Submarine toy set for kids – Let young science fans create their own deep-sea adventures with this LEGO Technic Deep-Sea Research Submarine toy - Realistic features – This creative building toy features rotating propellers and a grabbing arm to help kids explore how submarines work - Opening cockpit for imaginative play – The transparent cockpit of the toy submarine opens to give access to the seat and controls - Barrel accessory – The LEGO Technic set comes with a barrel accessory, which kids can pick up using the submarine’s extending grabbing arm - A helping hand – Discover intuitive instructions in the LEGO Builder app - kids can zoom in and rotate models in 3D, track progress and save sets - A gift for kids – This creative toy makes a fun birthday gift for 9+ year old boys, girls and kids who are interested in submarines and deep-sea exploration - An introduction to engineering – LEGO Technic sets feature realistic movement and mechanisms to introduce young LEGO builders to the universe of engineering - Measures over 15 cm (6 in.) high, 25 cm (9.5 in.) long and 15 cm (6 in.) wide