Romeo & Zooliet at the Saint Louis Zoo

Stop in and have some fun in the indoor pool at the Lodge of Des Peres with your little one at this drop-in swim time for kids up to age 6. No pre-registration is needed; Water Waddlers is open to residents and non-residents of Des Peres.

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. 

Families and kids of all ages can enjoy festive decorations, entertainers, many of your favorite Zoo exhibits and lots more at the Saint Louis Zoo's nighttime, non-scary Halloween experience Boo at the Zoo!

Boo at the Zoo is a long-time St. Louis family favorite, with fun, spellbinding decorations and great photo opportunities, spooktacular entertainment as actors bring the decorated areas to life, interaction with the animals, fun at the 4-D Theater, Conservation Carousel, and more.

Visit The Magic House for Toddler Time, a special early-morning program for toddlers. Children age 1and up can take part in exhibits and exclusive interactive activities designed just for little ones. There are new themes every week!

Open Gym at Miss Kelly's Gym is an opportunity for any child to have supervised free play in the gym.  They can work on existing skills, try something new, or simply play around. It is completely up to them! Open Gym is open to both members and non-members ages 12 and under.