The LEGO Technic Sun Earth Moon Model (42179) is a playset that allows curious children aged 10 and up to discover many interesting facts about our solar system. The interactive set clearly illustrates various phenomena such as the orbits of the Earth and Moon, the Earth's gravitational pull, and the influence of rotations on the seasons. Boys and girls can turn a crank to make the celestial bodies rotate. Printed months and moon phases show the movement of the Earth and Moon in relation to the Sun over the course of a year. This set is a fascinating gift for children who love toy planets. LEGO Technic building sets for kids impress with realistic details that playfully introduce young builders to technical concepts. The LEGO Builder app takes your child on a simple and intuitive building adventure. The app allows your child to zoom in and rotate digital 3D model views, save their sets, and track their building progress. The Sun Earth Moon Model stands 24 cm tall, is 33 cm long, and 18 cm wide. It contains 526 pieces. Warning: Caution. Not suitable for children under 36 months. Contains small parts that may pose a choking hazard.