Star size comparison video
As the title would suggest it is a video show the comparative sizes of all the planets in our galaxy.
Suggested resources from Amazon
• National Geographic Kids First Big Book of Space
• There's No Place Like Space: All About Our Solar System (Cat in the Hat's Learning Library) (best seller)
• Learning Resources Inflatable Solar System - This is really fun and the students quickly grasp the concept. They also like playing football with them if your back is turned :-)