Discover what some of our critters are made of as you meet several animals up-close and determine whether or not they have a skeleton. Do You have a skeleton? Discover the answer as you make a cool skeleton craft to take home. Please alert us of any food allergies. Ages 5 - 7. Limited to 15, minimum of 5 . $8/Member; $13/Non-Member. River Journey, Delta Swamp Classroom Tennessee Aquarium, 1 Broad St. (423) 648-2496. www.tnaqua.org.