Mine is about age appropriate on actually skills but is very insightful about technique and methods . Once when he was 5 he mentioned to the artest how he liked that the use of rectangle shapes made you look all over the picture. This blew the artest away considering the rectangles were incorporated into buildings and other elements and not just literal shapes. They then started to discuss this at length. A 5 yr. old and 35 yr. old man. That was an a-hah moment.