That vehicle is quite insane - even the original Morris-Martel tankette wasn't that small. The Red Army hated their T-27 tankettes because even for small guys they were very cramped.
I have a recollection their may be a papermodel of the Morris-Martel tankette around - can't remember where though. [edit - designed by the late Sergei Kamotsky -
https://vk.com/robototehnikpaper]
Charlie