Broadway in Chicago admits one child free with the purchase of a full price adult ticket to evening performances of "Billy Elliot," Tuesday through Thursday through Sept. 16, at the Ford Center for the Performing Arts, Oriental Theatre, 24 W. Randolph St., Chicago. Use the code "kidsfree" when ordering online at broadwayinchicago.com. You can also call (800) 775-2000, or buy in person at the box office or Ticketmaster locations. The free tickets are available for children 14 and younger and are subject to availability.