I know the Recreation Department sponsors a lot of activities for children in the summer. You might check with them to see if they are doing anything similar during the Holidays.
I believe, as a renter, you have the same privileges as a resident. You should check that out too.
There is a place nearby called Uncle Donald's Farm. It seems to be popular for the younger set. Check it out here
http://www.lakecountyfl.gov/hometown...alds_farm.aspx