Meet other Pokemon Go players and catch 'em all at the Zoo.
Meet Marshall, the dog that inspired a book and a film about his life, at the Museum of the Dog.
The Greater St. Louis Metro Area Train Show features an entire gymnasium full of hundreds of feet of operating train layouts and another gymnasium full of train sets and Thomas Trains for sale by dealers from across the country.
Kids can get up close to a large "garden railroad" featuring trains running on the gymnasium floor. There will also be a large operating layout made entirely of LEGOS, a Thomas the Tank model train, and dozens of detailed scenes including a lock and dam and automobile plant.
The Midwest Cyber Center of Excellence (MWCCOE) is hosting a free CyberPatriot recruitment and competition geared toward middle and high school students who are interested in cybersecurity.
This afternoon event features food, drinks, live music and lots of kids' activities. Festival goers can enjoy all the fun of the farm, too, because the festival is held at Rombach Farm in Chesterfield.
Mothers and daughter are invited to this very special fashion event, featuring the pre-fall Milly collection, to benefit COCA St. Louis.
Preschool and early elementary age children are invited to experience their favorite classic kids' stories in an interactive new way, complete with performances by STAGES artists at this free storytime.
The Taste of Trucktober is a celebration of food on wheels! Enjoy fare from some of the area's most popular food trucks, along with live music, games and karaoke.
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
The Preschool Science Series is an open exploration learning lab for young scientists - ages 18 months to 5 years - and their families. Activities are designed around research that shows children learn best through play, inquiry and shared experiences with their parents and caregivers.
Free outdoor concerts are back at the Missouri History Museum. The May series of concerts features favorite bands, food trucks, and exhibits inside the museum that are open to the public on concert nights. Concerts are held from 6-8 p.m.
Is it time to potty train your toddler? The St. Louis County Library is offering Potty Training 101 to parents of children ages 2-3. This free workshop for parent and child includes a potty-themed storytime, and parents & caregivers will receive information to get them started on the potty training process. Attendees will also receive a potty seat, step stool, training pants and a potty-themed board book.
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!
Take part in a free yoga session just for kids! Children's yoga, presented by Complete Harmony, is held at the Brentwood Public Library on Thursdays from 9:30 to 10 a.m. Classes include stories, movement and mindfulness and are geared for children up to age 5. Bring a yoga mat or towel.