Have you ever played with Floam? This stuff is amazing. I don't know what it's made of – maybe space juice and recycled lunar lander parts? I'm, not sure, but it's really cool. So cool, in fact, that Laks and her daughter made this DIY solar system out of it and then sealed it with Mod Podge so that the planets wouldn't stick together. If you are looking for an alternative to a “regular” solar system made with foam balls and paint, this is your answer. Visit Laks to learn more about the project.
DIY solar system model using floam at Creating memories thru crafting