Darkness is a social problem, and inclement weather a textile problem, but hilliness might be a problem lessened by getting them on a bike while they're still small enough to bounce?
https://www.youtube.com/watch?v=rVFu2OgWQBU&t=120sFish may not need bicycles, but these humans are throwing tricks I'd never attempt: https://www.youtube.com/watch?v=D424_41uh3E&t=2422s
I never even managed a bootlegger reverse (although attempting to learn did teach me how to turn flying over handlebars into graceful dismounts), yet these women are getting over a meter of air: I'd call that enough to be chasing the clouds away.
(unlike netball, which is a female-dominated sport with the recent addition of mixed [and even male-only] teams, it looks like cycle ball started out mixed[1] but these days, from what I can find on YouTube, is played segregated[2]:
[1] https://en.wikipedia.org/wiki/Cycle_ball#/media/File:Liebig_...
[2] https://www.youtube.com/watch?v=ib0DhW1qGrU )
