Portable water balloon pumping station. Comes with 500 water balloons and strings for tying. Whether you are competing or just having fun in the backyard, you will love the Pumponator. It is simple, easy to use and portable. You can take it with you camping, football games, parties or anywhere you want to have water balloon fun. Just fill the container with water and go. No more frustration with the runaway water hose or blowing up balloons until you are out of breath.