YouTube along with Warner Brothers, have launched a potion-making contest for fans online. To enter, you will either create a video using 3D tools or standard filming. To enter you must be a resident of the United States and aged 13 or over. The contest closes on July 14th but you have until June 24th to upload your video. After that, voting begins to determine winners.

To read all the rules and view demo videos, click here!

Source: Mugglenet