Whichever it is, youll surely find this tutorial byKelly Theresaon YouTube fun and incredibly adorable!
Let it dry completely, then paint underneath the pebble with black as well and let it dry completely.
confirm to dry the paint completely in between each addition of paint.

Image credit: Kelly Theresa via YouTube
Lastly, add small white dots along the lines of the head for more details.
*All these images are credited toKelly Theresavia YouTube.
Easy Ladybug Rock Painting Using Pencils

