Quantity   Component name
1 × NE 555P Timer in astable mode
2 × 9V Battery
1 × Diode
1 × Capacitors 10 microFarad, 1 nanoFarad, 10 nanoFarad, 1 picoFarad
1 × LED
2 × Resistor 1.8 kilo Ohm
2 × Potentiometers Must be able to do 435 Ohm.
1 × SPDT Switch