• EXPLORE THE SOLAR SYSTEM – Brings the wonders of the galaxy into the home with this space-themed toy for kids ages 10 and up, showing all 8 planets in motion around the Sun• SEE PLANETS IN MOTION – This STEM learning toy brings astronomy to lifethrough mechanical play as kids see each planet move at its own speed• BUILD KNOWLEDGE – Learn about each planet with individual fact-packed information panels, making this solar system model an educational space exploration tool as well as a dynamic d isplay model• CONTROL THE COSMOS – Move all 8 planets simultaneously using a hand cranked gear mechanism; reset the model by moving all planets in line by hand• GIFT IDEA FOR SPACE LOVERS – Put astronomy and physics into the hands of curious kids with this fun and fascinating gift for budding astronomers ages 10 and up• EXPAND THE FUN – Check out the full range of LEGO® Technic™ building kits to discover many more engineering and STEM construction sets, sold separately• BUILD WITH CONFIDENCE – The LEGO® Builder app breaks down each set into detailed steps, allowing kids to rotate and zoom in on models in 3D• DIMENSIONS – This 572-piece set measures over 10.5 in. (27 cm) high and 10 in. (26 cm) wide when the planets are aligned, and over 15 in. (38 cm) wide when the outermost planets are farthest apart