This is not a toy, never shoot to a person or animal.
Step 1: Materials and Tools
2.- Party popper
3.- Some BBs
Hot glue gun
Step 2: Disarm the Pen
Step 3: Disarm the Party Popper
Step 4: Put It All Together
Then you need to put a little of hot glue on the explosive part, and put the BB on the top of it.
Now assemble the pen and put around it tape so the pen wouldnt explode.
If you want you can put tape and put the rope down it, this is like a secure so the pen wouldnt fire accidentaly.
Now your pen is ready to fire.
REMEMBER: Never shot this weapon to people it is dangerous.