Here are some tips on using crayons for effects in coloring: You can start with a light layer of the color you want to use first. Then you can cover that with darker or lighter color to add life to your drawing, just like the wings on this butterfly.
How to Draw with Crayons Like a Boss. There's nothing more inspiring to me than buying and opening up a brand new box of Crayola crayons. I think anyone with an ounce of artistic ability fondly remembers coloring as a child. Just the word coloring makes me happy.