How Fireworks Work by popularmechanics: Here is a 6-inch cylindrical shell. The time delay fuse is at the far left; square stars are in the left compartments; and the bursting charge extends through from the fuse to the black lift powder at right. #Fireworks #popularmechanics
Hilarious! One Pinner says, "I took their photos, cut them out and glue onto white paper. Then photo copy onto transparency paper (Kinkos for less than a $1), then cut out image and roll it up so that it can fit into the top of a soap bottle. Make sure you have clear soap." awesome!