Pen Slingshot/Gun

Do you want to be bored all day every day.
Do you want to just sit around doing nothing.
Well if you don't want to do those things then try this fun slingshot/gun.
Need:
One thick medium size elastic band
One cap pen
Sticky tape or three small elastic bands

Put all the small elastic bands on the medium elastic band that should be on the pen.
Make sure That the led can go through if it has a cap you just reload in the side that you find more about later.

Pull the led lid and stopper out

If the led doesn't go right through put it in the other way