The ray gun used in the movie was a genuine Buck Rogers XZ-38 Disintegrator Pistol manufactured in 1938. It was given to the director when he was a young boy by Forrest J. Ackerman, known world wide as Mr. Science Fiction, and the editor of the cult magazine, Famous Monsters of Filmland.
The Cold-Fusion (Jacobs Ladder) device in Ramsey's laboratory is three feet high and delivers 15,000 volts.
The ACME Ever-Start-Never-Die model 242 chainsaw is really a Sear's Craftsman 42cc unit with dual chrome tail pipes, ignition wires and a plastic
shower head. Nobody was hurt. But the dummies complained a lot.
The paint on all the prop jack-in-the-boxes hasn't dried yet.