Its a great model but how can you use it in a game?
You would need to play in a sports hall or similar.
I am already working on something. Just some ideas...
You could use it to infiltrate the Landship, some Commandos attacking in the night, placing demo charges and escape.
The Ratte has to destroy a fortification (not on the table, but damage is tracked), a tank force is attacking the ratte to distract and prevent, extra air strikes to the tank player.
A damaged Ratte has to flee the table, controls are damaged so only a straight line of movements is possible, opponent has to destroy the Ratte.
...