Removing Crayon From Walls

My two-year-old daughter is quite the artist. She has a great sense of color. Her lines are well formed. In fact, I think she may have a future in the arts. Now, if I could just get her to keep her art contained to paper and not my walls. Do you have a budding artist who thinks the dining room walls are a great blank canvas? Here are a few ways to remove crayon from walls.