DIY Diagon Alley from Dollar tree plastic houses for Halloween or Christmas decoration

Hi everyone, today I'll be making Diagon Alley shops out of cheap plastic dollhouses. I bought mine at local Dollar Tree, and I found similar ones here at Aliexpress:
a.aliexpress.c...
a.aliexpress.c...
Signs and backdrops templates:
drive.google.c...
drive.google.c...
To prime the houses best is to use primer for plastic. Like this one:
amzn.to/3blbCZL
You can also use a 2 in 1 paint which is selfpriming, like this one (this listing is for 6 cans, so this is just to give you idea of what I mean, I'm sure they are sold offline in stores):
amzn.to/3pLSufV
or this one:
amzn.to/30XpIyr
Bead caps for making potion bowls: amzn.to/2XCVDTk
Fairy lights: amzn.to/3vEPmmF