Crayons can be all sorts of different colours, not just orange and purple. Do you know what they're made of? Martin: Are they made of wax? Curious Cat: Yes, that's right. And wax is made from oil ...

Coloring the edges of vinyl wallpaper is less likely to work because the wax in crayons won't stick to the plastic, especially if you're attempting to clean walls with a liquid solution.

and each of the crayons sets off on their own adventures. Oliver Jeffers said in a release, “We all need to make friends, and it seems the colorful sticks of wax in our kids’ art boxes are no ...