The Circuit Scribe Lite kit is a basic kit in Circuit Scribe family, it could make creating circuits as easy as doodling. And there is a rollerball pen that writes with conductive silver ink in the kit. it could be used for any type of circuit you want to create.
Circuit Scribe is for Makers, STEM Educators, Artists, Kids, & Life Hackers. It makes circuit easier for Makers to Make. No shaking, no squeezing, no goop, no smell, no waiting for ink to dry. Circuit Scribe draws smooth lines with conductive silver ink and allows you to create functioning circuits instantly.
With Circuit Scribe you can draw exactly what you want, no wires or breadboard required any more. What you need only is just a circuit scribe pen and a piece of paper. Or maybe you need a coin battery, or a small LED, that will be more cool!