Things are invented every day, all over the world. Odds are, though, you have no idea what was invented where. Luckily, Buzzfeed has a video to answer that very question: The 50 Coolest Inventions from All 50 States.

So, what is the coolest invention from North Dakota?

Bubble Bath.

According to Wikipedia, Mr. Bubble was invented by Harold Schafer and the Gold Seal Company in North Dakota in 1961.

Check out the coolest inventions from the other 49 states in the video above.