Can you share some key elements from the 'big door prize story'?
I don't know the exact 'big door prize story', so I can't share the key elements. But usually, there would be a door, a prize, and characters involved.
As we don't have the details of the 'big door prize story', we can only guess at the key elements. One key element would likely be suspense. The mystery of what's behind the door and who will get the prize creates suspense. Another could be the value of the prize. If it's a very valuable prize, it would attract more attention and more characters to the story. Also, the setting around the door, whether it's in a crowded hall, a spooky old building, or a bright and festive place, can also be an important element in shaping the story.
Since I'm not familiar with the specific 'big door prize story', some possible key elements could be the door itself which might be grand and imposing. The prize, which could be anything from money to a valuable item. And the people in the story, like those competing for the prize or the ones who set up the whole thing with the big door and the prize.