My six-year old, Isaac, just drew on a Magna Doodle on the Magna Doodle.
So I suggested he draw on the Magna Doodle, a picture of the Magna Doodle, with a Magna Doodle drawn on it. He did so, and I told him about recursion, which he seems to like the idea of! This weekend we’re going to try plugging a video camera into the TV and pointing it into the TV!