Crayons are made from colored wax that melts when it gets warm.
That is why crayons get soft if you leave them in the sun. Wax holds the color and slides smoothly on paper.
More facts about Art Supplies
A pencil writes with soft gray stuff called graphite, not lead.
The little eraser on a pencil can rub away your mistakes.
Paintbrushes come in many sizes for thick lines or tiny dots.
Chalk lets you draw on a sidewalk, and rain washes it away.
The Crayola company has made billions and billions of crayons.