sorry there are 5 versions of this (6technically) ( https://scratch.mit.edu/projects/1251887829 ) (unintelligible) (low quality) (normal) (loud?)(1/5) (cave) timing may/may not be horrible so click twice
ONE CROSSED WIRE, ONE WAYWARD PINCH OF POTASSIUM CHLORATE, ONE ERRANT TWITCH. AND KABLOOEY!!