There are lots and lots of ideas on the internet for activities to do with children. I came across a recipe for foaming finger paint and thought I would give it a try. This one I thought would be fun with a group of older kids so I tried it with a couple of junior high girls. The recipe called for tempera paint mixed with kool-aid. We tried six different colors/flavors of kool-aid to see what happened.
The result was a really strange foaming (and sometimes stinky) concoction. The first one we mixed up was yellow paint with yellow lemonade kool-aid. Let's just say we almost had to vacate the room it smelled so bad. The recipe said to use only tempera paint because of the egg whites in the paint cause the foaming reaction. Ok, so what do rotten eggs smell like? Yeah, gross sulfur smelling gas is what this reaction produced! :-) The lemonade kool-aid was not enough to cover the gas released by this strange concoction. The paint we created was interesting and not all of it smelled terrible however I would not recommend this activity for little ones. The final product was not safe for accidental consumption (which is guaranteed with kids) and it stained like crazy. That was due in part to the tempera paint and the fact that kool-aid is mostly food coloring! Fun for the 20 minutes it lasted but probably not on the list to do again with crazy toddlers!