DIY effects

I've only just started exploring this site, but it seems to be a treasure trove of wierd DIY guitar effects and synth circuit bending projects.

Not sure I'm ready for a photo-theremin. I had enough problems controlling the Fuzz Probe - or maybe its just not supposed to sound musical.

But it might be nice to start an intro electronics project to try to remember how to solder - without the worry of killing myself with high voltage, like these guys.