The Tartan Army is a group of Scottish football fans who love their country and are very passionate about supporting their national football team. They dress up in Scotland's national dress, a kilt, and wear lots of colorful 'tartan' clothing. They sing and chant loudly to encourage their team to win, and travel all over the world to watch Scotland play football matches.
Imagine you really like a sports team in your town. You cheer for them and want them to win. Now imagine you really like a sports team for your whole country! The Tartan Army is like a big group of friends who go to watch and cheer for Scotland's football team together. They wear special clothes that are like a skirt with lots of colorful patterns, and they sing songs and dance to show how much they love Scotland and their football team. They travel all over to see the team play and cheer loudly for them. It's like a big party with the best friends you could have.