It never fails. I have spent 100’s of 1000’s of dollars on markers, crayons, paints, etc. through the years. And I ONLY buy the washable variety. If we receive a gift with anything that can make a mark and it is not washable, I throw away the offending device. But every once in a while, every now and again, I miss one. And THAT is the one my children select to draw on the walls. It never fails.
He went around the downstairs and literally just drew random lines or circles on each of the walls. Yeah, he’s almost five. And yeah, he knows better. And yeah, you better believe he got some consequences, not the least of which was having to clean up the mess. Thank heavens for the Magic Eraser!