Big Mouth Billy Bass, the beloved all-ages child's entertainment toy, is ready to entertain you with two iconic songs. Easy Operation: Simply press the red button, and Billy will start singing his heart out, providing hilarious entertainment for kids. Alternatively, switch to sensor mode, and a wave of your hand will trigger the song, adding an interactive touch to your kid's entertainment experience. Wall Mount or Display on Any Surface: You have the flexibility to hang Big Mouth Billy Bass on a wall, adding lively and amusing decoration to any room in your home. Battery-Powered: Big Mouth Billy Bass operates on 4 AA-size batteries (not included). For optimal performance and longevity, we recommend using alkaline batteries, ensuring that Billy keeps the child's party going.