This closeup of the engine cowling shows a few major things all at once: 1.) the three tone cammo, 2.) the fine detail on this kit and 3.) the use of mechanical pencil to highlight the panels cleanly. No post-shading was used on this kit.
From the underside, you get a feel for just how big the floats really are. The torpedo looks positively tiny in comparison!
Here you can see the front-most post of the three I used to hold on the torpedo.
See, the port sponson has a different emblem! The reasons as to why are lost to history.
The twin rear guns of the J-2 Stuka would have gotten even more of a workout than those on the landplanes, given the likely decrease in speed and maneuverabilty conferred by the floats!