OK, related
question - what's the most interesting graphics display system
Didn't someone have a scheme for hooking up an Etch-A-Sketch to a system?
This would probably be back in the S-100 days, but I seem to recall a
magazine article about it.
Milton Bradley "Big Track" toy "military vehicle". Programmable
similar
to "turtle graphics". Duct tape a pen to it. Try to find the
"trailer",
since it adds a Pen-up/pen-down capability. I think that Ciarcia may
have once done an interface to it.