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One of these was the props. Individual plastic blades, resin hub detail and a plastic boss. A combination to gladded the heart of any masochist
I really don't like these types of assemblies, still they went together quite easily mainly because I drilled a few holes in the hubs and didn't trim the waste stub on the end of the blade, thus this became the pin that fit into the hub
Mind you I'm still not sure I got the blades the right way round ? Mind you I never am 
I'm going to print out a poster for the wall in front of my modelling desk ; "Slow Down : Modelling is NOT a Race"
Because
a) I have moved many, many times over the course of my life, and
b) leaving my models behind is not an option, and
c) sticky-outy bits like prop blades & u/c break off no matter how carefully packed, I decided at an early age that all my aircraft will be built in "flying" mode, and
d) clear plastic discs always look like clear plastic discs, I have always just removed any blades molded to the hubs, fill & smooth the resultant holes in the spinners, and call it a day.
I would love it if kit manufacturers took note of this and included solid spinners in their kits.
I know it'll never happen, but I live in a dreamer's world.

I don't suppose any aftermarket company actually does this?