What can you do with a used up pen?

Question

the old kind that's not refillable like those papermate pens. do they recycle these?

Answer 1

make a pneumatic dart gun and fire them at random passersby

Answer 2

throw it away

Answer 3

many things my friend, many things.

like... writing, drawing.

im not sure tho if they recycle them..

they should.

Answer 4

devise an April Fools trick with those empty pens :) that'd be creative!

Answer 5

Recycle it by turning it into an RF probe.

http://www.io.com/~n5fc/rfprobe2.htm

Answer 6

One of the big office supply chain stores now have bins at the front where you can dump all of your used pens into.  They are then sent back to the manufactures for their recycling efforts and programs.