A heater trace had been applied to the bottom surface, rendering the board capable of self-reflowing. Now that is cool!

The flexible legs make them perfect for poking ... Next time, I'll show you some cool experiments to try with your play dough circuits with your conducting and non-conducting dough.

SKiDL is very, very cool. It’s a bit of Python code ... you just change a couple of variables. Writing your circuits as code would make arranging the little sub-circuits modular and flexible ...