Kids Astronomy http://www.kidsastronomy.com/solar_system.htm
Kid Friendly Solar System Facts http://starchild.gsfc.nasa.gov/docs/StarChild/solar_system_level1/solar_system.html
NASA Kids' Club Have fun exploring http://www.nasa.gov/audience/forkids/kidsclub/flash/index.html
Brainpop Saturn http://www.brainpop.com/science/space/saturn/