With a 35mm film canister, the sparking unit from a cigarette lighter, a knife, and some fuel, you can easily make the world’s loudest party popper.
Sounds like a good weekend project to me!
[Instructables - The World's Loudest Party Popper]
35mm-Film-Canister, Cigarette-Lighter, Fuel, Knife, Project, Video, Weekend, Worlds-Loudest-Party-Popper