Those worked real good on the old wooden boxcars used for moving ammo between storage igloos, too. We got tasked with ruining a bunch of those, with the caveat that we couldn't burn them because the underframes and running gear had to stay in one piece for rebuilding.
Okay. 215 dust initiator charges later, flatcars instead of boxcars, and numerous notwell-stacked piles of splintered lumber for the woodchipper.
Oh yeah......a childhood of watching Mr Wizard, a Chemistry Set and I was destined too my career.
A smart kid today with five dollars at radio shack can be a real pain for an IED team be they just wannabe few week wonders hazardous devices LEO’s / FLEA’s or real Military EOD who earned their crab.