One of the longest surviving toys ever created is the crayon, and Crayola just about seem to own this market. Every single year they create over 2 billion crayons. Apparently every child, on average, will work his or her way through about 780 of these crayons by the time they are ten, and every child between the ages of two and eight spends about 28 minutes every single day colouring using these crayons.


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