GameTrailers.com posted a new gameplay trailer yesterday for LEGO Harry Potter: Years 1-4. Video is below. You have one more week before the game is unleashed to the general public. If you haven’t gotten your pre-order in yet, there’s still time to do so through Amazon.com. They even guarantees release day delivery if you so choose it at checkout (delivery fee applies and varies). Game is available for Xbox360, PS3, Wii, PSP, DS, and PC. On to the video: