Lots of ideas about activities, bubbles, jelly-made pay dough, science experiments and simple art activities.
Baking Soda and Hydrogen Peroxide - glow in the dark paint:
"**Summer Activity. 1/4" Mt Dew in bottle, add tiny bit of baking soda and 3 capfuls of hydrogen peroxide. Shake and it glows. Pour on sidewalk to "paint"...Who knew!?"
"No helium needed to fill balloons for parties.....just vinegar and baking soda! i need to remember this! @Courtney Francescut"