Use good quality crayons (Crayola works well) for the best results. Making the fill color darker around the edges is a good technique for adding dimension. As you work, don't press too hard. It's better to add layers of color than to have too much color that you can't remove. Take care to color evenly and without causing color streaks. When you're finished, place a piece of scrap fabric over the coloring and iron the paper on a high setting. This will heat set the coloring and remove excess wax.
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.