On the left, a fine selection of Roseart crayons left in the sun for over 12 hours. Barely a trickle, I'm sure you'll agree. On the right, the damage of just 3.5hours' sun on a pack of Crayolas is evident.
He'd been working on them for six years, but John Coker successfully launched his Crayola crayon rockets in the Nevada desert. Only four of the eight worked properly, but they managed to soar to 2,928 feet.