This is a fun and very easy pen cannon
this shoots pretty far and is very cheap.
this is also dangerous so sadly i have to
do a warning other than that have fun!
WARNING this is a very dangerous thing so
dont point at other people
animals or ur self point it at ur eye
your going to be blind so be carefull.
i am not responsible for you actions.
Step 1: Matarials
what you need:
party poppers 1.00 a bag
cheapo pen 50 cents
scotch tape 2.00 a roll
plastic bbs random price depends how many u get.
small siccors random price