I think a "Kid's only" comp is a great idea.
But, lots of challenges to overcome.
Most parent's are not gonna travel far for one. At least not until it was "established" on a larger scale. The first few would probably draw only "really local" families.
If it ever caught on and grew into a "circuit" as you mentioned--with lots of financial and/or emotional awards..... the sky would be the limit.
I do think it would be a fun day to spend watching the kiddos "do their thing" :lol:
Classes?
I think for now, most Kid's Que challengers have a family deeply involved in comps.
I do not know if Daddy or Mommy would feel the need and encourage classes for something they normally teach the child.
I could really be wrong on that.
And, as it has been mentioned, "attention span" and "content/delivery" would be challenges. For sure.
Now--there is a group out there that has developed comps between High Schools. Each school trains and fields a team and it becomes a rivalry.
Sounded like a winner.
I can not find the references I had to it
Anyway---lots of possibilities and it might develop into a great thing.
Would probably take several years to catch on--but worth it.
Good luck whatever you come up with.
TIM