In 2019, this wide open intersection in a residential neighbourhood in Montreal was transformed into l’île aux volcans — the island of volcanoes — a public space for children intended to encourage ...
Based on feedback, kids seem to love them because it's a dedicated play area right near their home to meet up with their friends. Even in winter. I'd have been all over that as a kid, even if I liked computer/TV/games.
I should add a disclaimer though that I'm not against doing this, just I have my fears that they will just be empty areas with how people seem to be these days with screens and all.