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:
https://a.aliexpress.com/_AeqGff
https://a.aliexpress.com/_AcLXRx

Signs and backdrops templates:
https://drive.google.com/file/d/1M27M...
https://drive.google.com/file/d/1m_Ub...

To prime the houses best is to use primer for plastic. Like this one:
https://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):
https://amzn.to/3pLSufV
or this one:
https://amzn.to/30XpIyr

Bead caps for making potion bowls: https://amzn.to/2XCVDTk
Fairy lights: https://amzn.to/3vEPmmF