About the Game For 2 to 8 players or teams, Ages 7 and up. Everything young naturalists need to know about life in the ponds, lakes and rivers of North America. Learn about River Otter, Wood Ducks, Mosquitoes, and Snapping Turtles. Card topics include Alligators, Amphibians, Beaver Pond, Birds, Birds of Prey, Bogs, Crustaceans, Dragonflies and Damselflies, Ducks, Everglades, Fish, Frogs, Giant Water Bug, Herons, Insects, Leeches, Mississippi River, Mollusks, Mosquitoes, Nesting Birds, Pond Fish, Pond Mammals, Pond Plants, River Otters, The Surface of a Pond, Turtles, Under a Microscope, Wetland Conservation, What is a Wetland... and Whirligigs.