Transvere Bamboo Flutes: These are very well tuned major scale flutes, that are played sideblown like a classical metal flute. This style of flute can be found throughout history all over the world, from Asia, to Europe, to Africa and South America.
Zen Minor Pentatonic Flutes: The minor pentatonic flute is a transverse flute, or sideblown, that plays the minor pentatonic scale. The minor pentatonic scale is a traditionally meditative or ceremonial scale of music, that aids in concentration, rather then uplifted joy as in the major scale.
The Meditation/Mystic Flute: The meditation or mystic flute is a scale of mystery and emotion, that has a grounding quality similar to the minor pentatonic scale. It is a scale of reflection, and spacing, that leads to contemplation.