hi guys and gals,i was in school playing around with a piencil and a calculater and i put the pencil led in the screw thing ,and twisted it and the led cam off in like grain things,i put it on my desk and used my finger to move it around ,and blew it off and it left a black weathering affect kinnda,(if you do it right)and i just wanted to know if this worked....sorry ,but im in a hurry,cya