The Buki Motorized Solar System Science Kit Is A Motorized Model Of The Solar System For An Interactive And Fun Learning Experience For You To Learn More About The Wonders Of Space .This Kit Is Easy To Assemsble And Has An Accurate Representation Of Planet Positions And Orbits Around The Sun As Well As A Visual Demonstration Of Celestial Motion .The Kit Also Includes An Illustrated Instruction Booklet That Guides You Through The Assembly Process .