Even if we were to set aside the basic obscenity of the proposal, it isn’t very likely to be successful. Among adults who have had stop the bleed trainings, correct application of different types of tourniquets (beyond the CAT ones used in the original training) is pretty low, in lab settings. Effectiveness of the American College of Surgeons Bleeding Control Basic Training Among Laypeople Applying Different Tourniquet Types - PMC The existing trainings use guides like inches and finger widths, for an audience that has tiny hands and is just learning measurement, that is going to require substantial modification. Chest seals and similar equipment are hard enough for small adult hands. There is also the possibility of the child having to roll their adult teacher, potentially a difficult task.
Last year I was looking at what was required to do bulk trauma care trainings for a large number of activists and street workers. The logistical hurdles for arranging such training for a few dozen dedicated adults from all walks of life was hard enough. I can’t dream of trying to fit discussions of a tension pneumothorax between the times tables.
