Just stumbled over something I never thought I'd see. ;)

There's a PostgreSQL "Activity Book" now.  Like, those books
for kids:

  https://techcommunity.microsoft.com/t5/azure-database-for-postgresql/the-story-behind-the-activity-book-for-postgres/ba-p/3941372

And it's from MS of all places (!!!).

I guess we can say PG truly has a wide audience these days,
it's being introduced to kids. ;)

+ Justin