My latest build is the ancient Monogram F4F Wildcat. The kit is purportedly a -4 but I back-dated it to a -3 and built it as a "Yellow-wing" cat. Biggest difference between the -4 and -3 is to eliminate the lower cowling flap and replace the "7" shaped pitot tube with a straight tube.
I also scavenged parts from a busted up old build of a Tamiya Wildcat to fashion the cockpit, which the original Monogram kit does not include. And I scratched wheel well details that also are not part of the original mold. I added metal tubing for the Browning .50 cal machine gun blast tubes. Decals from Yellow-Wings Decals. The oil coolers you can see in the third picture also came from my old Tamiya kit.
I always loved the old Monogram boxes such as this one.