Every October, the Zoo puts out a casting call for all princesses, cowboys, superheroes and wild things! Kids 12 and younger can come in costume to trick-or-treat at various booths set up throughout zoo grounds for Boo at the Zoo. There will be lots of candy, and lots to see and do! Trick-or-Treat bags will be provided, or bring your own and join us for one of the biggest events at the Zoo! Trick-or-Treating activity is free with regular Zoo admission or membership and begins at 9 am and ends at 3 pm. All Booster and Premier Booster members will receive early admission to Boo at the Zoo at 8 am.Parking is limited. Please carpool and do not park in designated No Parking areas.