ELI5: Explain Like I'm 5

Hwacha

Hwacha is a kind of weapon from Ancient Korea. It was a big wooden cart with lots of holes in it. Inside the cart were sticks with gunpowder on them. When someone lit the gunpowder, all the sticks flew out of the cart and could shoot hundreds of arrows at the same time. People used hwacha to shoot a lot of arrows at the same time and it was a very powerful weapon.