I backed Circuit Stickers by Chibitronics last year when it was crowd funded, but I haven't had the chance to try them out. I decided to make a birthday card where the candle on a cupcake lights up with an LED. First I drew a cupcake and punched a hole where I wanted the LED to light up the flame. I cut out construction paper pieces for the cupcake. Drawing an image works well too. I drew the battery positions and placed the copper tape so that it lights up the LED circuit [...]
