This year I started my costume before I was outta time! One night I was the Delorean with Marty and Doc, then Marty McFly and the Delorean for the work party (I won best costume this year!).
The Delorean is made from a Home Depot moving box, spray painted silver with black detailing using paint and electrical tape. I used suspenders to hold it up, and placed glow sticks in the front and rear headlights, as well as the flux capacitor. Finally, had to add a license plate and “Save the Clock Tower” bumper sticker!