The yellow stuff on the body is epoxy putty, the yellow stuff on the tail is just yellow plastic sheet. Not sure what you mean by third kit though? The tailplane is from a 1/144 fighter jet and the engines are just resin cast copies of the engine from the kit.
That ones coming along too:
The C-3 is awesome!
Quote from: Old Wombat on September 30, 2019, 07:06:51 PMThe C-3 is awesome! I second this!