| Part | QTY. | IDs |
| 100nF MKT Capacitor | 3 | C1 C2 C3 |
| 4u7 Electrolytic Capacitor | 1 | C4 |
| 22uF Electrolytic Capacitor | 1 | C5 |
| 1N4148 Silicon Diode | 2 | D1 D2 |
| NE555 Timer IC | 1 | IC3 |
| 74LS74 Flip Flop IC | 1 | IC1 |
| 74LS126 3-State Buffer IC | 1 | IC2 |
| 3mm LED | 1 | LED1 |
| 47R Resistor | 1 | R7 |
| 1K2 Resistor | 1 | R3 |
| 2K2 Resistor | 2 | R4 R5 |
| 3K3 Resistor | 1 | R6 |
| 56K Resistor | 1 | R2 |
| 100K Resistor | 1 | R1 |
| DPDT PCB Mount Switch | 1 | SW1 |
| DPDT PCB Mount Switch | 1 | SW2 |
| 4V7 Zener Diode | 1 | ZD1 |
| 3 way Ribbon Cable | 1 | |
| 4xAA Batt. Holder | 1 |