(Kelly of the Clue Crew stands with a melting tray at the Crayola Museum & Factory in Easton, PA.)  The makers of Crayola introduced dust-free school chalk; it was so successful that it won a gold medal at the 1904 World Exposition in this city
... when the company re-
imagined Crayola Experience's hometown facility in Easton, Pa. ... their touch (
Color Magic) and learn how crayons are made in the live Factory Show.