This was one of if not the first explosive I ever made. It was probably the fist for many amatuer pyros out there.
well anyways,
Materials: 1 Whistling pete a.k.a. picolo pete, singing rose, whistling rick.
Tape (optional)
Hammer
Step 1: Hammer the pete briskly, all over for about 1 min. ( just hard enough to break up the powder inside)
Step 2: You can tape it for additional noise.
Step 3: Light and get away fast!