1. Competition: Drawing Machine.
Make a drawing machine.
These should be simple drawing machines, not complicated ones.
Simple elastic bands, wound up, felt pens (because they mark a quick
visible mark)…
http://picdeer.org/b6fc_artanddesign
https://www.instructables.com/id/DoodleBot360/
https://sketchinnovation.wordpress.com/tag/drawing-machine/
2. Drawing Machine.
Take your drawing machines and get them to make
a drawing in class.
Make a new quick drawing machine in class.
What kinds of marks is your machine capable of
making?
What could you use to make a drawing machine.
Not so much a machine as a device that will record
mark making for you.