Letting kids draw on the walls might actually be a good thing. A mother from Peru let her son draw on walls since he was just a baby — and believes that’s what led him to be a budding artist.

This "Radiant Baby" illusration by Keith Haring -- drawn on the wall of his childhood bedroom -- will be auctioned on Sept. 14 by the home's current owners. Courtesy of Angela Garner No matter ...