The Active Solar STEM System brings the wonder of our STEM solar system straight into your bedroom. Unlike many other models of our solar system, this one is motorized, and will rotate in a realistic manner. This allows children to observe just how our solar system works in relation to space in general. Take special note of the sun model, which will glow with a built-in LED light! Learn more about our world and its home at large with the detailed 28-page guide.