My sons draw all the time, but they don’t seem to care one bit about their drawings after they make them (I envy them), so they leave piles of finished and half-finished drawings everywhere. I go through them and find scraps of construction paper that I want to paste in my notebook. Sometimes I’ll make a collage out of them:

And sometimes I’ll actually use one of the drawings as a writing prompt, like this scribble of the digestive system Owen drew:

In a way, the page becomes a collaboration between us, even though I rarely ask their permission. See also: Orchestrated drawings.