(Video Link)

YouTube user troopertrent made a model DeLorean like the one featured in Back to the Future Part III. In that movie Marty McFly and Doc Brown had to push the time machine with a steam engine train to get it up to 88 MPH. troopertrent pushes his model DeLorean with a model train. As you can see at the end of the video, he went all-out on this production, because this is a completely functional model DeLorean time machine.

-via Nerd Bastards