Kids Events in O'Fallon, MO

Calling all young Harry Potter fans and their parents! Parent/Child LEGO Night takes the magic to life at 359 Old Meramec Station Rd, Chesterfield, MO on Wednesday, April 29, 2026. Parents and children will team up to build Hogwarts, create 3-D creatures with mosaics, and construct enchanting scenes from the wizarding world. This themed LEGO event combines building fun with quality family bonding time. Registration is required to join in the spellbinding adventure.

via Google Events

Is your little one a Sesame Street fan? Bring the magic to life at Sesame Street Live with Elmo at The Family Arena in O'Fallon, MO, where your child will sing, dance, and move along with Elmo and all their favorite friends. This interactive performance gets kids out of their seats and creates memories that will last long after the show ends.

via Family Arena

Get ready for an unforgettable show where your kids can dance, sing, and interact with beloved Sesame Street characters right on stage at The Family Arena in O'Fallon! Elmo and Sesame Street Friends brings the magic of the iconic show to life with high-energy performances that have children jumping out of their seats. Parents will love watching their little ones' faces light up as they groove along with Elmo and friends.

via Family Arena