Materials:
1 pen (papermate flexigrip work great for me)
powder of choice (BP, whistle mix and smokeless gunpowder work well)
Tape (optional)
Pliers (optional)
Step 1: Take the pen and unscrew the part that the tip is coming out of. And take out the ink cartridge.
Step 2: Fill the tube about 1/2 - 3/4 dpending on your pen and powder)
Step 3: Screw the tip back on, and in insert the fuse throught the hole on the tip.
Step 4: You can crimp the tip around the fuse , if you want.
Step 5: light and get away.