Pencil Gun

Step 1: Pencil Gun for School

First take a mechanical pencil and keep the spring in it.

Step 2: Pencil Gun

Now take a spring from something else then put it in the cap of the pencil then tightly put it back on to see if the springs big enough

Step 3: Almost There

Now just unscrew the top right before it comes off

Step 4: Ready to Go

Now just push the back

Step 5: Pencil Gun

Now just watch it fly and try to get the spring stuck in the cap so you don't lose it!