Ray Wilson was the guy behind Music From Outer Space. He was a huge contributor to the Synth DIY scene. He designed a lot of cool projects, offered kits, schematics and a huge amount of tips and tricks for beginners. He even wrote a book on how to build an Analog Synth. MFOS kits and PCBs are still available through various resellers (see synthcube).
Connecting your module for the first time can be tricky. There are chances to destroy it.
Ok, what to do then? Well, you need to check the following points before pluging in anything, and most important : Never trust the red stripe.