A paper circuit uses paper and other materials to form electrical circuits that can include lights, switches, sensors, and even microcontrollers. You can use these components along with craft materials to make greeting cards, pop-up books, or other art projects. Included in this kit: Activity card, Batteries, Conductive tape, LED lights, Binder clips, Circuit Sticker Sketchbook, Various activity suggestions and templates, Book (Ceceri, Kathy. Make: Simple Paper Inventions. Sebastopol, CA: O?Reilly Media, 2015).