Quantity - Value or part number

1 - 220pF (mica or metallized film)
1 - 270pF (mica or metallized film)
1 - 2200pF (mica or metallized film)
3 - .001uF (metallized film)
1 - .001uF (2% polypropylene)
3 - .01uF (metallized film)
1 - .05uF (ceramic)
12 - .1uF (ceramic)
3 - 1uF (35v tantalum)
2 - 4.7uF (25v electrolytic)
1 - 10uF (25v electrolytic)
2 - 100uF (16v electrolytic)
1 - 270uF (16v electrolytic)

1 - API PDB-C142 (Digikey PDB-C142-nd) Photodiode 

1 - 1/8 inch stereo phone jack

2 - 1N914 (1N4148) diode 
2 - 1N5817 (Schottky rectifier)

1 - 4.7mH (molded choke)

1 - 2N2222 transistor

1 - Laser diode (Cheap laser pointer)

(all resistors are 5% 1/4 watt except where noted) 

1 - 2 Ohm
1 - 10 Ohm
1 - 240 Ohm
1 - 470 Ohm
1 - 560 Ohm
2 - 1k 
2 - 2.2k
10 - 10k
3 - 33k
1 - 39k
8 - 100k
2 - 270k
1 - 820k
1 - 2.7M

1 - 500 Ohm (trimpot)
3 - 10k (trimpot)
1 - 100k (trimpot)
1 - 10k (Audio taper pot - chassis mount)

2 - LF347 (Quad JFET opamp)
2 - CD4069 (Hex CMOS inverter)
2 - CD4013 (Dual CMOS D flip-flop)
1 - LM386-4 (Audio amp.)
1 - TC1411 (HS driver) (Digikey TC1411CPA-nd)
1 - LM317 (Voltage regulator)

1 - modulator printed circuit board
1 - detector/demodulator printed circuit board

2 - male/female circuit bd power supply connectors (user selected)
1 - male/female laser diode connector (user selected)
1 - male/female detector diode connector and cable (user selected)

2 - cases (if used) (user selected)

Also - a few feet of small, stranded, insulated wire