Your family is invited to join the friendly ghosts and howling goblins at the free Halloween Hoopla.
This free event is designed to kick off your Halloween trick or treating and is for all ages. There will be the Bubble Bus, games, lots of kids activities and fun for all. Bring your little pumpkins to Frontier Park in St. Charles, where the fun will be set up between the Jaycee Stage and Katy Depot. Free and open to all. No reservations are necessary.
3 to 6 p.m. on Wednesday, Oct. 31.
More information: stcharlesparks.com
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.
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.