Remove the plastic paper from the pin and attach to the badge back. That's it, you're done! Wear your badge with pride!
Step 3: Step 1 - Making the holes
The first step is to poke holes in the cardboard so you can put the legs of the battery and LED through. Make sure to poke the holes on top of the + and - symbols. Make sure to remember which side is + and which side is - (hint, the right side is +).