Another Movie Mistake
http://www.google.ca/url?q=http://www.youtube.com/watch%3Fv%3DM0TjT53qpFY&sa=U&ei=JC5cVO3uM8v0igLVm4DoDQ&ved=0CBoQtwIwAQ&usg=AFQjCNERtPsSrGPAMJbsn1S9e1K-ohhrEw
when Alan drops the dice, one goes down the stairs and later as Van Pelt gets sucked in, both dice are on the board!