Possible Relay game ideas.
Fun game for Girl Scouts--Fill the bottle on top of kids' heads with a water gun or spray bottle!
Milk Jug Water Balloon Launch Summer Game For Kids! Easy to make, less balloons to fill, entertainment for the kids, and a chance to cool off! A Win, Win for everyone!
DIY Outdoor Bowling Game, made using Coke bottles, a yoga mat and pool noodles!