Curious kids aged 10+ will love learning about our solar system with this LEGO® Technic Planet Earth and Moon in Orbit (42179) set for kids. The interactive set makes it easy to understand concepts like the Earth and Moon's orbit, Earth's gravitational force, and how rotations affect the seasons. Fun features include a crank that boys and girls can turn to create rotations. It also includes printed months and moon phases to show the progress of Earth, Sun, and Moon throughout the year. This set makes a great gift for kids who are fans of planets. See more space gifts (sold separately) in the LEGO Technic range. LEGO Technic toys for kids feature realistic details that introduce engineering to young builders through imaginative play. Give kids a simple and intuitive building adventure with the LEGO Builder app, where they can zoom and rotate 3D models, save sets, and track their progress.