The Fantasy based one is now on the "to do" list.
The 10.5cm Howitzer Comes from 30 plus yr old and now damaged Hasegawa kit as do the track Frames and the commanders Cupola.
Stowage rails on the back are scratch built, the stowage from various old and damaged kits, the ammo box is from a 1/32 kit.
Commander from ...unknown kit.
Towing rope from twisted wire, the starter handle bent paperclip wire.
Antenna made with old brush bristles.