✦Step 1:-First we have to solder such a circuit as shown in the video.
✦Step 2:-Find a battery box to solder on it for power supply.
✦Step 3:-Prepare 2 leds, solder it.
『capacitor 』 view more ⇒ https://www.utsource.net/category/passive-components/capacitors-1.html
『resistor』 view more ⇒ https://www.utsource.net/category/passive-components/resistors-1.html
『LED』 view more ⇒ https://www.utsource.net/category/led-lighting-1.html
『Battery box』 view more ⇒ https://www.utsource.net/sch/Battery%20box
Video on Yotube: