R1 180K 1/4W Resistor
R2 1K8 1/4W Resistor (see Notes)
R3 2K2 1/4W Resistor
R4 100R 1/4W Resistor
C1 100nF 63V Polyester Capacitor
C2 100µF 25V Electrolytic Capacitor
D1 LED Red 5mm.
D2 1N4007 1000V 1A Diode
Q1,Q2 BC327 45V 800mA PNP Transistors
IC1 7555 or TS555CN CMos Timer IC
T1 220V Primary, 12V Secondary 1.2VA Mains transformer (see Notes)
SW1 SPST Switch (Ganged with P1)
B1 3V Battery (two 1.5V AA or AAA cells in series etc.)