Otamatone [English Edition] Japanese Electronic Musical Instrument Synthesizer by Cube / Maywa Denki, White BEST SELLING  One of Japan's best selling musical Instrument Portable Synthesizer toys! FUN & EASY TO PLAY - You can create different sound and pitch by pressing down the middle part of the Otamatone. By sliding down your finger up and down, you can create higher and lower tone. Otamatone's face is made out of rubber, and by pushing his cheeks and making his mouth move around, the volume and the bass of the sound changes. When you press the cheek, mouth will open. It is a musical insturment, you can enjoy the sound. AAA Batteries 3 Body Size: Approx 10.6" (27 cm)