He's been working on them for 12 years, but finally John Coker was successful in launching his Crayola crayon rockets. Only four of the eight worked properly, but they managed to soar to 2,928 feet in the Nevada desert. Trying to keep the crayons and box as realistic as possible, Coker built an eight-pack box slightly larger than scale, to accommodate for the launch rods and fins of each crayon rocket.
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