Surprise your young one with this ancient musical and communication device with the Channel Craft Inc Authentic American Bullroarer. A bullroarer is an ancient signaling device that produces a low-pitched sound. As the paddle-like bullroarer swings, it rotates and vibrates the air around it, creating a mesmerizing sound that can travel over long distances.  Manufacturer model #: ROARB. Bullroarer spins to create low-pitched sound. American-inspired design. Sound can travel over long distances.