The remarkable thing about this recipe is that it can be dried out and reconstituted like the store bought kind. Make it ahead of time and take it dried to the event. They all got to see the differences between watercolors and guaches. And they got to paint pretty pictures to take home with them. Not only did they have a good time, but they learned something in the process.
Paper Dolls Make paper dolls and then provide xeroxed sheets of 'clothing' to color and cut out.
Girls especially like this, but make sure to make 'boy' dolls also. Whether a tag or a catch is required depends on the age and disposition of kids, and on the terrain, and on the disposition of the parents to let the kids play rough or not. Scavenger Hunt Make up a list of items to be found on site. If an item can have more than one connotation, you can discover just how creative some people can get. In court, the Royalty can hand out the proper scrolls to the proper child.