This interactive LEGO Technic building set for ages 10+ allows children to construct a model of the Earth and Moon orbiting the Sun. The 526-piece set features gear elements that create orbital movements, with a crankshaft mechanism to demonstrate how the Earth and Moon rotate. It includes month and moon phase indicators to help children understand seasonal changes and lunar cycles. The model measures approximately 24 cm high, 33 cm long, and 18 cm wide. It serves as both an educational toy for learning about the solar system and a displayable model for space enthusiasts.