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!
Edible chocolate cups filled with a spicy chocolate mousse . Free tutorial with pictures on how to make a chocolate cup in under 60 minutes by cooking, baking, decorating food, and mixing drinks with chocolate. Recipe posted by Jane K.