Working models
The art of starting
Working models serve to support the students learning activities: "the art of starting". In essence it's really simple: Start doing something related to the things you want to learn. No action, no learning. It's as simple as that. Sorry to disappoint you ;-).
A working model can provide general questions, a proposal of a systematic approach of an activity or task, and so on.
To quote Augustine in a loose manner: "Click and read!".