Kit to build a AutoWah (Snowhite). You need only a enclosure of min. 1590B and 4 knob for a pot with 6,35mm shaft max. diameter of 20mm. 
Inhalt:
1x 3PDT switch
2x Audio  jack pcb 1/4"
1x DC-jack isolated pcb
1x LED 3mm red
1x Circuit board + electronical parts
1x Documentation online for download(wiring plan, soldering plan 
please download here
 Autowah:
Autowah: