Kiener Kids is a whole morning of fun family activities in Kiener Plaza. The day begins with all-ages yoga. Then kids can enjoy storytelling and magic from Circus Kaput, and play time with the Gateway Arch Park Foundation's collection of oversized lawn games, including Bananagrams, Yahtzee and Jenga. Families can also team up to build a seven-foot arch with padded arch blocks.
Check-in opens at 9 a.m. Free.
More information: archpark.org
Bring your little ones to enjoy a nature adventure, where they'll learn to appreciate the natural world through a story, songs, movement and play.
Science Tots is designed for children ages 18 to 36 months. The class provides opportunities to support brain development and learning. Toddlers and their grown-ups will explore STEM topics through songs, stories, hands-on exploration and play.
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.
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.
Explore the Saint Louis Zoo in the evenings at the Chinese lantern festival Animals Aglow! Animals Aglow returns to illuminate the Saint Louis Zoo for the second year with dozens of new, towering lanterns and light displays.