Here is a great starter package to the world of building multiple pedals. To build pedals like this see pics
What's listed is all the components to build modified Fuzz pedals and JTM 45 sounding pedals. Use the materials for whatever you want, but that was the original intent for the pieces were those pedals. Schematics for the designs above are available if wanted for additional cost. Some of the aluminum enclosures have been prepped for painting, but are new and unused. Bought higher end components with tighter tolerances: Panasonic, Alpha, Vischay, Fairchild Semiconductor, Gorva soft touch switch, Carlin and Taiway toggle switches. Can provided pics of bills of laden for components plus an updated inventory in pen/pencil. With the state of electronics availability these may be helpful. Things have changed and do not have the time to build anymore. Schematics for my take and designs of fore mentioned pedals above are available if wanted for additional cost, but something similar could be found on line.