Do your kids ever write on your walls ? It is safe to say that every parent can answer yes to this question. It does not have to be so difficult to clean. The clever folks over at Lifehacker.com has a great hack to remove crayon from the wall with Bread. Yes I said bread.
As per Lifehacker.com:
“Just grab a piece of bread, roll it into a tight ball, and start rubbing. It looks like it takes a bit of elbow grease, but it’s a cheap and chemical free way to clean up after the kids.“