Trying to lead a lower-waste lifestyle? Try one of these ways to use up leftover candle wax so you don't have to throw it away.

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.

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 ...