Nino Handheld Wah-Wah Tube with Mallet Red Material: Anodized aluminum Includes: Wooden stick with rubber beater By covering and uncovering the sound hole a "wah wah" effect can be achieved An amazing effect instrument with suprising results and a lot of fun for kids to play The NINO Wah-Wah Tube is a tubular effect instrument that delivers smooth, bell-like tones with an incredible sustain