For most applications, you'll need to turn the chalk into powder by rubbing it against a piece of paper. Artist's chalk pastels (also called "soft pastels"-but not oil pastels) are one option, as are the cheap sidewalk chalks manufactured for children. Chalks can be mixed into raw clay or made into paints, but they are most popular as surface treatments. Use them to add color to doll's faces. Give loaves of miniature bread pleasant warmth with a light application of golden-brown powder.