Familes will have a blast at Purina Farms Pet-A-Palooza, a celebration of pets and their families. In addition to being one of the biggest pet adoption days in the area (including dogs, cats, rabbits and more), Pet-A-Palooza will feature grooming areas for pets, a kids area with inflatables and games, a pet photo booth, food, live music and a showcase of some of the latest pet gear and accessories. You'll also enjoy the Incredible Dog Challenge, the Barn and Play Area, and Pro Plan Performance Team Dog Shows, which take place at the Incredible Dog Arena. Admission is free. Parking is $5.
Explore the St. Louis Zoo after dark at Boo at the Zoo. Bring your little ghouls and goblins to this non-scary celebration designed just for kids. Though this is not a trick-or-treating experience, costumes are encouraged, and each child 12 and under will receive a treat bag when they leave.
Engage your young scientist in science-related learning at the Saint Louis Science Center's Preschool Science Series. Through interactive stories and hands-on exploration, children learn about science, as well as language, problem-solving and social skills.