This is a stop-motion animation of plastic scale models being crashed together.
A 35mm Arriflex motion-picture camera was advanced one frame at a time to capture the action.
The diorama set was about 15 feet long, and shot on a large sound stage.
The reconstruction expert was Larry Owen.
To see the studio setup of this animation, click on
"Stopmotion Animation Production 1" on the Pre-1990 Video Gallery page.