Note: To protect the privacy of our members, e-mail addresses have been removed from the archived messages. As a result, some links may be broken.
Color on sandpaper (or sprinkle the grated crayon on sandpaper) and warm
the sandpaper in the oven (on warm, not hot). Melts into the grains of
sand. It's nice.
Same on rocks. Warm in the oven. (NOT HOT!!!) Crayon melts into the
rock's pits and over the smooth surfaces.