The Spokester Bicycle Noisemaker snaps on to the front fork of kids' bicycles and makes a motorcycle sound. Pretend to be a real motorcycle cop! Spokester is a fun, imagination-stimulating product that gets kids exercising and keeps them safe on the road. Products Introducing Spokester™, the innovative bicycle noisemaker! Just press the Spokester on to the front bicycle fork, and let the fun begin! As you pedal the bike, the Spokester's flat paddle section contacts the wheel spokes, making a snapping sound. The faster you go, the more sound you get! Features realistic motorcycle sound, single-piece molded plastic construction, snaps easily onto bike fork without tools required. And, it lasts for hundreds of miles!