Win tickets to Half-Blood Prince advance screening

MSI Chicago has let us know about a cool contest for those of you visiting Harry Potter: the Exhibition in Chicago between now and June 30th!

Simply visit the Exhibition and enter the sweepstakes at the Potter kiosk in Chicago's Museum of Science and Industry. 100 lucky winners (each bringing along a friend) will receive tickets to see an advance screening of Harry Potter and the Half-Blood Prince on July 13th!

For full details, including how to enter if you're not visiting the Exhibition, click here.