When Painting Gets Out of Control

I got the brilliant idea to let my son paint while I nursed Ana. It afforded me the opportunity to feed Ana uninterrupted, without a certain almost-two-year-old crawling all over me. Fortunately I was smart enough to strap Owen into his high chair and put a smock on him, but that was about the extent of my "brilliance." When I finished nursing my daughter, and went to check on Owen, this is what I found: