What are Crayons made of?

How were Crayons invented? What were the first Crayon colors? How do Crayons get their colors? Have you started your FREE TRIAL of Who Smarted?+ for AD FREE listening, an EXTRA episode every week & bonus content? Sign up right in the Apple app or on our website: HERE Get official Who Smarted? Merch: tee-shirts, mugs, hoodies and more, at Whosmarted.com!