Friday, July 13: Water Bottle Rockets, 10:00 a.m., Little Sioux Park, 2 miles SW of Correctionville, Iowa. Learn more about how animals, insects, humans, and of course water rockets fly! Meet at the old school house building towards the entrance of Little Sioux Park. After everyone has arrived, we will walk to the launching area! All supplies are provided. Be prepared to get wet. Free!