Have you ever asked yourself, why they put a white pencil in every box? Or how you could intensify your shadows, when you don't have any darker color?
Here are some answers...
When drawing still-life pictures with Conte crayons, make sure to start with the darkest and softest colored pencil. Draw still-life pictures with colored Conte crayons with tips from this cool video tutorial.
Begin a human-mouth drawing by outlining the seam of the mouth in a dark Conte colored crayon. Find out how to draw human mouths using Conte crayons with tips from this free video about learning how to draw.