What is bouncing?
The kids of today don't know what they are, bouncer balls. At least I think so. I used to do quite often. Balls in the schoolyard, with girlfriends. Before school, at break, and sometimes just after school.
With 2.3, 4 or 5 balls, we did it. Against the walls or in the sky. Underhand, overhand, under your legs, clapping in and other things. And of course songs were sung. We knew about five songs back then. But it's been over 40 years for me...
There is a song I remember, something about Charles 1, etc.. I looked up the details. With every rule you had to do something extra. That made the song fun.
Charles 1 broke his leg (1x limping)
Charles 2 jumped over the sea (2x jumping) (some sang drinking a cup of tea)
Ik had een net met 3 stuks. Kon er niks van, dat jongleren.