Why children get their own version
Young players are not small adults — their coordination, strength and attention are different, and a programme of long static planks and heavy Nordic lowers is both wrong for their bodies and dead on arrival for their attention. The 11+ Kids is built for under-14s around seven exercises in roughly fifteen to twenty minutes, with several levels to grow into. It leans on a running game, jumping, balance and coordination, whole-body stability, and — the one coaches overlook — learning to fall safely. That falling piece is genuinely protective, because a lot of young injuries come from losing control and not knowing how to meet the ground.
The games are the delivery system
Underneath the fun it is training the same objectives as the adult version — balance, body control, leg strength, soft landings — just dressed up so children will do them with quality. And the evidence is worth quoting to parents and to sceptical staff: in children the 11+ Kids has been linked to roughly halving overall injuries and a bigger drop again in the serious ones. So the fun is not a compromise on the training. The fun is how you get the reps. For me that is the optimistic way to see it — do this well and a child is building a knee that is better protected for the rest of their time in the game.
Making the quality survive the fun
With this age the threat is not boredom, it is quality quietly disappearing into the excitement — children will happily do a jumping game with terrible landings all session. So I would pick one cue and make it the thing that scores the point. Land like a cat, quiet and soft. Knees point where the toes point. Demonstrate it far more than you explain it, because they copy what they see. Keep the group moving, keep it playful, and hold the line on the one mechanic that matters that day. Fun with quality, not fun instead of quality. And celebrate the clean landing the way you would celebrate a good pass.