Depends on the location. In Japan it's a waste of time and resources, in US it can save lives. I was field stripping and re-assembling AKM in school (just like

Depends on the location. In Japan it's a waste of time and resources, in US it can save lives. I was field stripping and re-assembling AKM in school (just like everyone else in the class), on the clock, under watchful eye of a real war veteran. And shooting .22 rifles in school's basement. Not a big deal. Admittedly we were older than 5 years, but not by much.