The LEGO Technic Sun Earth Moon model (42179) is a game set that allows inquisitive children from 10 years of age to discover a lot of interesting facts about our solar system. The interactive set illustrates in an understandable way different phenomena like the orbits of the earth and the moon, the attraction of the earth and the influence of the rotations on the seasons. Among other things, boys and girls can turn on a crank to rotate the celestial bodies. Printed months and phases of the moon show the movement of the earth and the moon in relation to the sun over the course of a year. This set is a fascinating gift for children who love toy planets. Check out the other separately available LEGO Technic space game sets. LEGO Technic kits for children convince with realistic details that teach young LEGO builders technical concepts in a playful way. And the LEGO Builder APP takes your child on an easy as well as intuitive construction adventure. The APP lets your child enlarge and rot