Benny's card for Stuart

Benjamin draws people.They have a round head and legs. Here's one:

Last week, Benjamin came home from school with a birthday card for Stuart. He included a drawing of Stuart on the swings (look he's holding on!) and of himself, going down the slide.

That's a great picture, Benny. How'd you know to draw the swing like that? "I was just trying things out, and I tried that, and, yep! I sure did make a good one."