According to the trivia guardians at Guinness World Records, over 11,000 Kentuckians hold the record that Seattle will attempted to surpass on Saturday: the World’s Largest Water Balloon Fight, arranged by the Party Camp charity, which benefits Children’s Hospital. A projected 300,000 water balloons will be filled and hurled—though none in anger, we trust. Click on “more photos” tab to the right to check out all the action.