This is an extremely simple way to make a glowing egg.
No computer, no soldering ,.......
Step 1: Materials
--- An egg shell with a hole a little bigger than the battery.
--- A 3V battery.
--- A slow color changing LED.
A very special LED that can change the color slowly.
The required voltage of it is around 3V.
Step 2: Connect the Power
Connect the LED to the battery by adhesive tape.
Step 3: Put the LED Into the Egg Shell
And that's it.