Traditional instrument in a new ONE-OCTAVE design, 8 tubes in one diatonic scale means no sour notes! Artisans use electronics to tune each tube to scale, so these are made to play, not just look pretty. Note: we added an additional feature that makes it easier to play, top tubes that are carved with a slight curve. Includes an intuitive guide to help players be successful making music with their first few blows and guide to popular folk songs. Available in key of C, F and G. Includes necklace. C scale 12” longest tube; F scale 9.5” longest tube; G scale 8.5” longest tube