Jim Gurney says: "Who knew that the making of colored crayons could be so beautiful?"
What is the secret powder? How it's made - Color Crayons
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. His new book is Maker Dad: Lunch Box Guitars, Antigravity Jars, and 22 Other Incredibly Cool Father-Daughter DIY Projects
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