Wehrmacht prototype fighting vehicle mounting a modified 10.5 cm gun on a modified Panzer IV open-topped chassis. Kit has detailed hull exterior with crisp surface features, single-piece injection-molded track loops with integral outboard wheels and sprockets (individual inner wheels and sprocket halves), separately molded jack and gun travel lock and well represented fighting compartment interior with full gun breech detail. Decals and 5-view painting guide for a single German vehicle.