Quantity   Component name
12 × Momentary Pushbutton Switch For the keys; any DC-rated switch will do...
1 × Power Switch DPDT on-on latching switch; should be rated at least 9v 2a DC.
12 × NE555 Timer IC Don't use 7555's, unless you want trouble...
3 × LM386 Amplifier IC The standard LM386N-1 is more than enough. No need for the JRC386 types, or for more powerful variants.
15 × DIP-8 IC Socket To put the chips in ;)
1 × 270K 1/4w Resistor
1 × 220K 1/4w Resistor
1 × 180K 1/4w Resistor
2 × 120K 1/4w Resistor
2 × 68K 1/4w Resistor
1 × 51K 1/4w Resistor
1 × 47K 1/4w Resistor
2 × 39K 1/4w Resistor
2 × 33K 1/4w Resistor
2 × 15K 1/4w Resistor
12 × 10K 1/4w Resistor
2 × 8K2 1/4w Resistor
1 × 5K6 1/4w Resistor
1 × 5K1 1/4w Resistor
1 × 4K7 1/4w Resistor
2 × 3K9 1/4w Resistor
2 × 1K 1/4w Resistor
1 × 390R 1/4w Resistor For the Power LED
1 × 5mm Red LED 2.0v 20mA standard LED - as the power-on indicator
33 × 0.1uF ("104") MLCC Ceramic Capacitor For switch debouncing, IC decoupling and voltage smoothing, and part of the oscillators
6 × 0.047uF ("473") MLCC Ceramic Capacitor Part of the oscillators
3 × 0.01uF ("103") MLCC Ceramic Capacitor Part of the oscillators
3 × 100uF Electrolytic Capacitor Part of the amplifier circuitry
3 × 10uF Electrolytic Capacitor Voltage smoothing
3 × Steel Guitar Strings You need the ones for notes G3, A2, and E2 -- and only those three ;)
3 × Guitar String Pegs Cheap plastic from eBay's oriental side is just fine ;)
3 × Guitar Tuning Machines Cheap from The Oriental FleaBay is fine ;)
3 × 2" Angle Brackets For mounting the tuning machines. Expect to do some drilling here.
3 × Perfboards or Custom PCBs I'm cheap and poor so I'm using perf...
3 × Coil Assemblies Each assembly = 1 coil sandwiched between metal and rubber washers, with a bolt through the whole mess
2 × 1" Angle Brackets For mounting the coil board to the bridge.
1 × 6"x3"x~1/8" Hobby Plywood Panel This is the coil board. The coil assemblies go on here ;)
1 × 6" piece of 2x4 lumber For the bridge.
1 × 6" piece of 1" dia. half-round molding For the saddle.
2 × 36" piece of 2x4 lumber Voicebox sides
2 × 8-1/2" piece of 2x4 lumber Voicebox top and bottom
1 × 11-1/2" piece of 1x12 lumber Base of instrument
1 × 12" piece of 1x12 lumber Upper front of voicebox
1 × 20" piece of 1x12 lumber Lower front of voicebox
1 × 36" piece of 1x12 lumber Rear of voicebox
2 × 36" piece of 2x2 lumber Voicebox supports
4 × Cabinet Hinges For the fronts of the voicebox
3 × Suitcase-style Latches For the fronts of the voicebox
1 × Radio Shack 7x5x3 Project Box For the electronics
1 × 9v 2a Power Supply Regulated!
1 × Transducer-style Acoustic Pickup For connecting to audio equipment