Kids can take classes taught by the Actors Training Center as part of this all-day improv festival at Navy Pier. Classes take place on the hour (1-4 p.m.), then stay for performances from some of Chicago's best improv groups (7-11 p.m., tickets required).

Award-winning science writer Debbie S. Miller, talks to kids about biology, paleontology, climate change, and the wonders of the natural world.