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.
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
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.
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.
Kids can learn all about their favorite prehistoric creatures at Digging for Dinosaurs, a free workshop for preschoolers age 3-5.
Presented by Mad Science of St. Louis, in this workshop, get an up-close look at a dinosaur tooth and participate in a mini dinosaur dig. Registration is required.
Digging for Dinosaurs will be held:
Sept. 6 at 10 a.m. at the St. Louis County Library, Grand Glaize Branch.
More information and registration: slcl.org
Meet Louie, the St. Louis Blues mascot, who will pose for photos and sign autographs at this free library event. Your kids will learn what it's like to be a mascot and what it takes to get ready for the season too!
Splash and play with your little one in this fun morning activity. No registration is necessary.
Bring your babies and toddlers to this free story time at the Missouri History Museum.
See the Zoo's California sea lions perform acrobatic and athletic feats, including Olympic-style dives on a high-diving platform, flipper walks, frisbee tosses and plenty of surprises. While on stage with the sea lions, the Zoo's trainers explain sea lion behavior and positive-reinforcement training, in addition to the need for conserving the sea lion's ocean habitat.
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 Shapes, Black Music Month, STEAM, Juneteenth, The River, and more.
Storytelling in the Museum is free.