Located on an unassuming stretch of Third Avenue, you can easily miss the building that's home to Brooklyn Aikikai, one of Park Slope's oldest and most rigorous training studios. Once students enter through its massive and beautifully carved door, they are treated to a studio with a strong training philosophy and aikido classes for students of all ages and skill levels. Aikido isn't the easiest martial art to master, but the journey toward mastery is possible at Brooklyn Aikikai, the practice of which has and continues to keep their students very happy. Visit the Web site or stop by for more details.