Kidsfighting.com
Another angle: A solo protagonist who gets recruited into a team after showing talent. They train and face various opponents, with personal growth along the way. Maybe the protagonist is shy and introverted but becomes a confident leader.
Possible themes: Maybe a conflict between two groups of kids, or kids facing a common enemy. Maybe a fantasy element like magical powers, a secret society, or a quest. Or maybe it's more about overcoming challenges through sports or games. Wait, "fighting" could also refer to literal battles, maybe in a game or tournament setting. kidsfighting.com
Need to make sure the language is accessible, with descriptive action scenes but not too complex. Maybe include dialogue to bring characters to life. Another angle: A solo protagonist who gets recruited