"Tree Mail": Join Rae Rae as he visits our friend the marine biologist in Marineland, FL to learn all about our mammal friends the dolphin. "Enviro-Do-And Show" Project: Today Rae Rae will guide us through a timeless project that kids have enjoyed for years and will enjoy for years to come the Enviro-Communicator. "Critter Connection": Sunflower Sea Star.