– 100% brand new and high quality – DIY your own sun earth moon orbital planetarium model with this creative kit.- When assembling the various gears, it’s important to make sure everything rotates freely, no push too tightly. -Multiple moving axis on this gear driven model to demonstrate daylight, night, seasons, solar eclipse, lunar eclipse and phases of moon – Base has the months of the year along with the season and 24 solar terms – A great kit to encourage explore solar system, while being creative and using their imaginations to have fun – Material: Plastic – Size(LxWxH): Approx. 43 x 20 x 28 cm / 16.93 x 7.87 x 11.02 inch