With this video tutorial from Household Hacker, you will learn how to make a functional circuit on paper. Really 14on paper! See how to make an LED light up with a lead-based paper circuit and how to make a resistor on that circuit. It also shows how to make a flashlight out of one of these paper circuits, an LED, and a battery. Can't wait to see it? Watch now! Video: . Tip: It would be better to use a 2B pencil, which you can pick up at any art shop.