Fab Lab staff I expect you to come to this. Kids who are old enough and focused enough to teach other kids (and adults!) are welcome to join.
A project started (in part) by a Fab Lab patron and UIUC Material Sciences researcher, Analisa Russo, Circuit Scribe is an easy way to get into learning circuits on paper and get around breadboard learning techniques. Learn more (and donate, if you like) here:
I believe a few of us are going to pick a version up for the main lab and TUFL to test and play with. More on the project at http://www.kickstarter.com/projects/electroninks/circuit-scribe-draw-circuits-instantly
Circuit stickers, referred by Betty Barrett:
Ink-jet based circuits, referred by Dean Rose: