Mary had set her up with some art supplies, which was kind as hell because Mom loved to draw.
We see a lot of small kindnesses here - obviously Maddox, but also Andrea and now Mary - this place isn't all bad, but it's down to a lot of systemic poverty and also a comment on the failures of the father figures in their life - for both Maddox and Devon, their primary motivation for leaving is to escape their fathers.
