Choroi Interval FlutesThe interval and pentatonic flutes were specially developed for use by small children, particularly in groups, starting at the kindergarten age. They have just one finger hole, allowing two notes in a fourth or fifth interval. Two or more players can easily play simple rhythmical or melodically patterns e. g. in a way of question and anwer games. The flutes are available in: d" g" (Finger hole closed = d"; finger hole open = g") d" a" (Finger hole