Check out the latest creation for Shasa Bolton: a handwriting automaton called "Sciblo". Scriblo is designed to sketch simple words and pictures when you turn the handle.
Scriblo is sold as a flat-pack kit. The pieces slot together without glue. The piece can be mounted on a wall or sit on a table. The kit comes with the cams to spell "yes".
Here is where you can learn more about Scriblo, the handwriting automaton.