Velo Theatre presents this performance from May 2-9. Laden with letters and packages to deliver, a postman sets out on his bicycle. Opening one of the packages, he discovers a fantastic and magical world inside. Purchase tickets at (312) 494-9509 or chicagohumanities.org.

Children can immerse themselves in backstage preparation, perform routines in center ring or manage the behind-the-scenes action of lights and sound. Plus, try making a circus balance toy or dress up like a clown.

Special architecture tour for kids. Registration required. May 5-May 26.

View an array of student poster projects exploring ways to reduce, reuse and recycle and learn how to become a greener citizen. Runs April 3-May 6.

A special exhibit on the history of Girl Scouting, with special focus on Oak Park, River Forest, and Forest Park. Celebrate the 100th anniversary of the founding of the Girl Scouts of the USA.

Exhibit tells the story of Girl Scouting and Boy Scouting in America.

Take a look back at the role of Americans before, during and after wartime. A variety of activities will be offered throughout the month, including flag trivia, rolling bandages, learning about the Pledge of Allegiance in the Schoolhouse, a Victory garden tour and more.

Visit activity stations commemorating the Civil War, World War II and the Vietnam War. Interact with replicas of artifacts on loan from the First Division Museum at Cantigny; view artifacts from Naper Settlement's museum collections; and learn about Naperville servicemen and women.

Through the discovery of exoplanets, we have learned our solar system is not alone in the universe. IN this new space show, learn how, with new instruments like the Kepler Telescope and rapidly improving technologies, the discovery of exoplanets puts us one step closer to finding an Earth-like world.

Learn about the American bicycle and Chicago's bike culture. The exhibition details the roots of America's most democratic and sustainable form of transportation and considers why human-powered locomotion could be the way of the future for our rapidly evolving urban environment.