It seems like for as long as we can remember, Legos have been a huge part of growing up. Whether you played with your favorite, cherished set as a kid, or stepped on a rogue Lego in the middle of the night as an adult, Legos were (and continue to be) one of the most quintessential toys in the world. They’re also quite collectible, making the rare sets highly sought-after. But have you ever wondered how Legos were made? The process is actually quite fascinating, as you’ll see in the clip below.