Tuesday and Wednesday, December 10 and 11, 10:30 a.m., Zoo Tots, Beardsley Zoo, Bridgeport. This monthly 45-minute program for children 22 months to four years old, who are accompanied by an adult, may include theme-related songs or games, live animals and a simple craft. This session is entitled "Nap or Not?" Pre-registration is required by calling 203-394-6563 or emailing email@example.com. The cost is $10 for Zoo members and one child, and $15 for non-members and one child.