The most beautiful eggs can be obtained from ordinary paint and rice.
For that we need:
Put half the amount of rice in the cup, add 15-20 drops of paint on it.
Close the glass and shake well to mix the rice with the paint to get a color.
Boil the eggs, dry them with a napkin to get rid of the water mass. Put the dried egg in a glass, close it and start shaking. Here is the result.