Watermelon cake balls (or cupcakes) Watermelon Cake 1 box white cake mix 1 oz.) box of watermelon Jell-O (reserve 2 teaspoons for frosting) cup watermelon puree cup water cup oil 4 eggs cup mini semi-sweet chocolate chips (optional) red food coloring
Take a 2 liter soda bottle, poke holes in it. Attach to a garden hose. Toss over a tree branch and let hang for a kids water sprinkler. You can loop it over a tree branch and let kids bat it around for more watery fun!
Glow sticks in the pool, great for night swimming! Not sure this would be the best idea for a big in ground pool (would probably take a couple hundred sticks), but would definitely be cool in a kid pool or an above ground pool!