We made and played with home-made swords, lances, spears, arrows, gunpowder for water pipe canons and rifles, and Molotov Cocktails.
If we saw it in the movies we tried it out.
Not to mention the BB gun wars.
No one ever sustained a serious injury and any areas we burned down have surely regrown by now.
Today kids aren't even allowed to walk home alone or ride a bicycle without a helmet.
Acetylene bombs were always crowd pleasers.
Gasoline makes a hell of a mushroom cloud if you let it vaporize in still air for long enough. We had the police show up one afternoon because they saw the mushroom cloud on the horizon. Grass was laid flat for 100 yards in every direction around our bonfire.