This Troop Block model 30 by 2 Cool Percussion is a must-have for any marching band or percussionist looking to add a unique sound effect to their performances. Crafted from high-quality wood and made in the United States, this sound effect instrument is built to last. The Troop Block is perfect for creating dramatic sound effects in all types of music genres. Whether you're looking to add a powerful beat to your marching band performance or incorporate it into your percussion set, this instrument is sure to impress. Its compact size and lightweight design make it easy to transport and incorporate into your setup.