Solar system with mechanical motion powered by electric drive. This model has an upper drive with a marked date. Due to the engraving on the plate, you can observe the movement of planets in night constellations. The sliding ring allows you to offset the earth's changing position relative to the stars on its background. It moves with an electrical mechanism with speed control in both directions. The planets rotate around the sun and is represented by a large golden ball in the middle of the mechanism. The planets and their moons: - Sun - Mercury - Venus - Earth with moon - Mars, Phoebus and Deimos - Ceres - Jupiter, Europe, Ganymedes, Callisto - Saturn with Rhea, Titan, Iapetus - Uranium with Titania - Neptune with Triton - Pluto with Charon - Eris The speed is adjustable. Height: ca. 37 cm Weight: ca. 3.7 kg, for planetarium. The items will be carefully packed and sent with a tracking option.