Step 1: Use the white paint to paint the rocks all over. Depending on your paint, this may take several coats. Set the painted rocks aside to dry.
Step 2: Once the rock are dry, dip the wooden end of your brush (or you can use a pencil eraser) and apply the black paint to the rocks to make the black eyes and mouth.
Step 3: Let the Rock Ghosts dry and you're done! If desired, you can (and probably should) add a clear coat of spray to ensure you can use these little cuties for years to come.
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Kersey Campbell blogs at Ardor.