Tip of day for parents with toddlers - How to remove permanent marker stains.

I have a budding artist at home whose creative instincts flare up whenever he sees clean and white surfaces. All he needs then is a pen or a pencil or a crayon. Unfortunately, he found a permanent marker yesterday and this is what happened:

I googled and learned that the best way to remove permanent marker stains is to use alcohol or an alochol based hand sanitizer. So, I made the painter undo his painting !!