A mini gun that packs a punch.
Step 1: Materials
3. bic mechanical pen
4. (optional) sanding paper 200- 400 grit
5. (optional) lighter
Cut the pen to size shown in photo
Remove the eraser and lead. Then cut a groove on the eraser.
Place eraser back on and wrap rubber band like shown. BB's and small nails can be used, simply pull the back of the pen back, place ammo and let go to shoot.