Powerbeat Panpipes, or pan flutes, are an ancient traditional instrument played with the mouth. These 12 note plastic panpipes are tuneable.Tuneable synthetic wood looking pipes of graduating length and pitch, joined together in a curved plastic frame. Played with the mouth left (high) to right (low). Pitch can be varied by moving the fitted corks in each pipe up or down. Tuneable diatonic in C. Melodious sound, sometimes called the pan flute, manufactured by Powerbeat.