Components:
555 Timer IC
BC547 NPN Transistor
1k 0.25-watt Resistors
22k 0.25-watt Resistors
180k 0.25-watt Resistor
1M 0.25-watt Resistors
LED 1.5V 5-mm
1N4007 Diode
100nF (104) Capacitor
12V SPDT Relay
Connectors & IC base
Zero PCB or card board