What is aot legos?

AOT or Attack on Titan Legos are a fan-made creation of lego sets based on the popular anime and manga series Attack on Titan. These lego sets feature various characters, Titan creatures, and locations from the series including the Scout Regiment HQ, the Wall, and the Colossal Titan. Some of the notable creations include the titan shifters Eren Jaeger and Reiner Braun, and the many variations of the different Titans. These creations are not officially licensed by Lego or the creators of Attack on Titan, but are made by fans who are passionate about the series and want to bring it to life through lego building.