Our friends at Walt Disney Imagineering just shared a photo of a very special delivery they received here the Walt Disney World Resort earlier this week. We’re told it’s a key piece of an attraction that’s coming to New Fantasyland at Magic Kingdom Park.

Any idea as to what it might be? Submit your guesses in the “Comments” section below. Be sure to check back soon to see if your guess was correct!

If you responded with a “Seven Dwarfs Mine Train” answer, you are correct! The very first mine train car was delivered at Walt Disney World this week. The car, which can be seen above, will now be taken to a backstage area where it will receive a themed paint job.