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.
To begin a Siamese cat drawing, start with the darkest-colored Conte crayon. Draw a Siamese cat with Conte crayons with tips from a professional illustrator in this free video about learning to draw.