A really magic Harry Potter wand for Lumos and Reveal Your Secrets charms

Step 8 Connect both wires and strap to battery sides

make sure that the positive battery terminal is wired to the positive leg of the LED and that the negative terminal is wired to one half of the switch and that the negative leg of the LED is wired to the other half of the switch.

I have taken each wire from the battery and doubled it back over the battery and strapped it to the battery side with even more tape. This doubling back is to make sure that that it is not easy to pull the wires directly off the battery terminals