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.

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

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.

Features a selection of jades used at the table, in the studio and as personal adornment. Qing Dynasty China produced exceptional carving for a growing jade market.

Visitors go on an interactive journey through the world of ancient Greece, where they can meet the gods, experience ancient Greek daily life and interact with the epic poem The Odyssey through more than 25 engaging interactive components, including climbing into a 13-foot tall Trojan Horse. Kids play and learn as they navigate rocky caves and open seas on "The Odyssey: A Hero's Journey" and e-mail home their Hero Record, belt tunes in the Sirens Karaoke Cave, discover which Greek god they are most like, match wits with Aristotle in a game of 20 questions, test their arm wrestling prowess in the Gymnasium and marvel at a working replica of the Antikythera Mechanism, believed to be the world's oldest computer.

Exhibit includes bats, uniforms, contracts, team traveling suitcases and much more from Reggie Jackson. Items in the exhibit are presented in collaboration with the Mr. October Foundation for Kids, a non-profit organization to benefit at-risk children.

Rides, games and food for all ages.