I don't see this mentioned on the website, but, if I remember correctly, they also have materials for teaching kids how to code. I was thinking about running something at my son's school last year before Covid shut everything down.
The "hotloading" is really nice and the community on Discord is excellent.
Instead of DR, I think I'll use Ruby2D as a very first step: it's incredibly limited, having only basic primitives, but it's also much more approachable, in a BASIC/LOGO-like way.
Coincidentally because of that use case I just remembered yesterday that I had a PR open on Ruby2D...
The "hotloading" is really nice and the community on Discord is excellent.