How to keep a child busy for hours in the summer: DIY: Giant Ice Cube Awesomeness - filled with plastic animals, dinos, and such. And I'm sure you could put in food dye before its frozen to color it like the ice block in the photo.
"Lawn Twister" & Other Creative Family Reunion Ideas
Twister with colored shaving cream. It's sad that even as an adult I still want to do this. What's more sad is I want to make it a drinking game so I can watch other people (and myself) face plant into the colored shaving cream.
this one sounds even easier to make: bubble snakes = easy quick craft. Cut the bottom off water bottle. Put old sock over bottom and duct tape. Add food coloring for fun. Dip end in dish soap mixed with a little water