Entertainment Weekly is holding a new contest where one fan will win a trip to the Harry Potter Studio Tour in London and two fans can win their very own Harry Potter Wizard’s Collection!  To enter you must visit this page, the sweepstakes is open until 11:59pm ET on Aug. 31.  EW ad SFX have also released a new behind the scenes clip from the collection which shows a look at how the visual effects in the films.

Update: Thanks for WB for the new clip. (Now it doesn’t autoplay! Yay!)