http://www.amazon.com/Exploring-Night-Sky-Astronomy-Beginners/dp/0920656668/ref=sr_1_1?ie=UTF8&qid=1417547768&sr=8-1&keywords=astronomy+for+kids

http://www.amazon.com/4M-5219-solar-system-kit/dp/B00007L12U/ref=sr_1_7?ie=UTF8&qid=1417547768&sr=8-7&keywords=astronomy+for+kids

http://www.amazon.com/Night-Sky%C2%AE-Star-Wheel-Publishing/dp/1931559309/ref=sr_1_11?ie=UTF8&qid=1417547768&sr=8-11&keywords=astronomy+for+kids

stuff like this may help :) I literally searched astronomy for kids on amazon :)