Otamatone [Melody Series] Japanese Electronic [Mini Size] Musical Instrument [11 Pre-Programmed Songs] - Black or White Random One of Japans best-selling musical toys - now in a mini kids version that teaches rhythm and metre with several fun, built-in tunes! Press the buttons on the flag of the otamatones music note shape to select a song, then press the stem at the correct intervals to play along! This adorable little toy is perfect for teaching very young children the basics of timing and rhythm, plus theyll love making it sing with the mouth on the notehead Otamatone Melody Comes with an optional keychain attachment so you can bring it wherever you go Runs on CR2032 button battery (x1)