A carrot, of course! Frosty the Snowman was a magical snowman who came to life after a group of children placed a hat and scarf on him. One of the things that made Frosty so special was his carrot nose, which was the perfect shape and size for his face. So, when it came time to make a real Frosty the Snowman, the creators knew that his nose had to be made of a carrot! And that's how Frosty the Snowman got his iconic nose!