Instead Of A Pen Gun Try A Pencil Gun!!!!!!
Step 1: Materials
-1 mechanical pencil 5mm
-1 ink stick thing
-1 paper clip
Step 2: Construction
1.Take apart mechanical pencil----only leave the clip on it-----
2.Attatch paper clip to the metal clip on pencil----then fold metal things down----
3.wrap elastic around paper clip ----tighter the better...but leave enough for shooting phase----
4.insert pen ink cartridge as ammo... or anything that fits in barrel---
5.C O M P L E T E!!!!!!!!!!
Step 3: Complete
Now test your new pencil gun
try anything as long as it fits in barrel