NO! Don't throw away that paper! The biggest mistake it NOT FIXING a mistake. Mistakes are priceless if we learn from them. Mistakes of today are wisdom of tomorrow. It is ok to make them. The important thing, is what do we do with them? Here is a list for the kids who refuse to fix the issues. You can technically fix them or creatively change them into an unplanned happy accident.
Use this as a check list for the kids that can't look past the mistake.
You need the coloring sheet too, right?