Learn about American Indian customs, beliefs, dress, crafts and arts at the Cahokia Mounds State Historic Site.
Share the day with Native American artists, craftspeople, demonstrators and performers.
10 am. to 5 p.m. Free.
More information: cahokiamounds.org
Kings, Queens and Castles is an innovative exhibition that brings the chess board to life and provides an engaging introduction to individual chess pieces and game strategy.
It's amazing that one tiny acorn can grow into an enomous oak tree. Little ones, ages 3 to 6, will investigate the life of an oak tree and its importance in the forest then go on a hike to search for oak trees and acorns.
10 a.m. to 11:30 a.m. Free, but reservations are required.
At Powder Valley Conservation Nature Center in Kirkwood, near the intersection of I-44 and I-270. Call 314-301-1500 for reservations.
Celebrate the Monarch butterfly with games and crafts, and learn how to attract them.
Learn about the history of Shaw Nature Reserve on this tour around the property and behind the scenes in the historic buildings.
Bring your kids for a day of free, action-packed fun at the Free Family Funs Day at Vetta Sports. There will be soccer demos, carnival games, a balloon twister, face painting, great snacks, inflatable bouncers, superhero prizes and lots more.
Bring your family, a blanket, and some snacks to the Ballwin Golf Course for a free showing of Star Wars: Episode V: The Empire Strikes Back.
Watch Luke Skywalker as he trains with Yoda all while avoiding being captured by Darth Vader. The movie is free.
At Ballwin Golf Course. 8:30 p.m.
More information: ballwin.mo.us
Enjoy live music, lots of kids' activities, food and drink vendors, raffles, a silent auction and lots more.
Enjoy a free showing of Guardians of the Galaxy, games, arts & crafts. and more in Lafayette Park.
Entertainment starts at 6 p.m. The movie starts at 7 p.m.
More information: lafeyettesquare.org
Enjoy a free family movie in Lafayette Park complete with pre-movie activities, including games and arts & crafts.
Tonight's movie: Brave. Activities begin at 6:30. The movie begins at 8 p.m.
More information: lafayettesquare.org
Discover the critters and creepy-crawlers that inhabit Laumeier Sculpture Park at night!
Dig into the current research in seismology, geology and paleontology, see a 66 million year old dinosaur footprint, learn about Missouri's Supervolcano and lots more during Rock, Fossil, Quake: A Celebration of Earth Science, a free event at the Saint Louis Science Center.
Learn about monarch caterpillars as they prepare to transform into beautiful butterflies during this parent-child workshop.
Stop in to Vetta Sports for a free open house, featuring soccer demo classes for kids, fun on inflatables, raffles and prizes and other fun activities for kids.
Soccer demos will be led by Coach Dave Fernandez.
Open Houses will be held:
Saturday, Aug. 13 from 11 a.m. to 2 p.m. at the Vetta Sports Sportsplex in Belleville, Ill.
Sunday, Aug. 14 from 1 to 4 p.m. at Vetta Sports O'Fallon, Ill.
Free and open to all.
More information: vettasports.com
Celebrate Fall at this free community festival that features a little bit of everything for all ages. Enjoy hayrides, balloon animals, pumpkin races, a pet costume contest, live bluegrass music and a family movie under the stars.
Close out the summer with a big splash! Before the pools close, kids can join their friends at this special Back-to-School Splash that includes carnival-themed games, giveaways and lots of swimming.
Cost is $3 per person; $2 for ages 2 and under.
4 to 7:30 p.m. at the Wapelhorst Aquatic Facility in St. Charles.
More information and to register: stcharlesparks.com
Kids in fifth grade and up, along with their parents, can spend an afternoon learning about the heart and cardiovascular system in this hands-on experience with anatomy and physiology experts from Adventures in Medicine and Science from Washington University.
Catch 'em all and try to be the best there ever was during Pokemon Go Night at the Saint Louis Science Center. There will be amazing science demonstrations, Pokemon-themed food and drink specials and more.
The Science Center will be open late 'til 8 with lure modules set at their Pokestops all night. Show your team pride by battling for control of the gym located at the James S. McDonnell Planetarium. The Planetarium will be lighted in the team color of whoever controls it at the end of the night! Don't miss the demos from local augmented reality and virtual reality developers.
Little Red Hen Play Dates are a wonderful way for children ages 0-6 and their caregivers to experience the magic of Waldorf Early Childhood Education. You and your child will bake bread — a weekly occurrence in the Waldorf School's Early Childhood Program — listen to stories; join in a circle time filled with songs, rhymes, and movement; and explore the outdoors in the mini meadow.
Bring your babies and toddlers to this free story time at the Missouri History Museum.
Storytelling in the Museum is an in-person storytelling event happening at 10:30 a.m. at the Missouri History Museum. This event, perfect for the preschool set, features engaging stories with themes like Women's History Month, I Love St. Louis, Spring, and more.
Storytelling in the Museum is free.
Visit The Magic House for Toddler Time, a special early-morning program for toddlers. Children age 1-4 can take part in exhibits and exclusive interactive activities designed just for little ones. There are new themes every week!
Join in on First Art, a free art program for toddlers where the focus is on the process of making art rather than the finished product. Dress to get messy!