Bring the kids down to Manatee Lagoon, a free educational attraction. A short drive will bring you to this picturesque lagoon where you can see the manatees in action, and partake in plenty of interactive activities for the whole family.
Another short drive with beach views will bring you to the Loggerhead Marinelife Center. The center is dedicated to the preservation of Sea Turtles and their homes, and offers tons of hands-on educational activities and exhibits for children.