Plarail white deck

I think most of you know about the plarail 2018 Thomas and friends toys, and that Edward and Henry doesn’t have a white deck, I would like to ask if anyone knows if spraying white or painting white has a better result 

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I personally don't have any experience with painting the decks but until a member stops by with their suggestions I know that YouTuber Custom Trackmasters has painted many a running board.

..spraying white or painting white?..

Spraying is more work (masking) but always produces a better result. Remember, lots of light coats with a bit of drying time between each one.

Wrong. They do still have the white, except now it's partial (not around the splashers/cabs). Even with a tiny brush or marker, you'd still have to do quite a bit of masking to get to those tight spots.