Who: J1 and J2
What: paper, pencil, crayons or colored pencils
When: while waiting at doctors' offices, violin lessons, during meetings
Where: any place with a table and some writing tools
Why: fun designs, stimulate geometric thinking (maybe)
Take a moment and watch this fun video from Vi Hart: http://www.youtube.com/watch?v=heKK95DAKms
I'll forgive you if you just wander off and watch a bunch of her other videos. She is great and I'm sure to include more links to her work.
For a while, I've played these doodle games with the older children at times when we were waiting around. At long last, I've managed to remember to take some pictures to complete this (very short) little post.