Dr. Stem Solar System Projector KitComplete Educational Kit: Includes over 50 easy to assemble pieces for a comprehensive hands on learning experience Motorized Rotation: Watch as the planets rotate with the push of a button, simulating real life planetary motion Projector Fun: Project images of eight different planets onto walls or ceilings, creating an immersive space exploration experience Illustrated Workbook: Comes with a detailed workbook filled with fun facts and step by step