BUILD A SPACE LAUNCH SYSTEM - Capture the moment a rocket launches into space with this LEGO Technic NASA Artemis Space Launch System Rocket set (42221) for boys, girls and kids ages 9 and up RECREATE THE SEPARATION PROCESS - This educational model rocket kit shows how a rocket separates upon launch as kids turn the hand crank to see the launch happen in 3 distinct stages IN COLLABORATION WITH NASA - This rocket building kit has been developed with NASA and ESA and lets kids explore the system that will be used to launch the Orion spacecraft into lunar orbit 4 ASTRONAUT NANOFIGURES - This LEGO Technic space set includes 4 astronaut nanofigures, plus an information panel, creating an eye-catching display that kids can explore time after time GIFT IDEA - This LEGO Technic building set makes a fun gift for boys, girls and space enthusiasts ages 9 years old and up who would love to build a model to show the stages of a rocket launch Kids set off on outer space adventures with the LEGO Technic NASA Artemis Space Launch System Rocket (42221) building toy for boys and girls ages 9 years old and up. This STEM building set, developed in collaboration with NASA and ESA, lets young builders construct an authentic rocket model that demonstrates the 3-stage separation process. Builders can turn the hand crank to watch the solid rocket boosters separate from the core stage, which then detaches, followed by the upper stage with its engine module, Orion spacecraft and launch abort system. This educational rocket kit includes 4 astronaut nanofigures, blue flame details and an information panel for creating an eye-catching display. Kids can explore the space launch system that will launch the Orion spacecraft into lunar orbit while learning how rockets work. Makes a fun birthday present or holiday treat for kids who love space toys and STEM toys. LEGO Technic sets feature realistic movements and mechanisms that introduce young LEGO builders to the universe of engineering in an approachable and realistic way. The LEGO Builder app includes digital tools that let kids track progress, zoom in and rotate models using 3D instructions. Contains 632 pieces.