Yamaha 3.5 octave padauk marimbaThe YM 40 marimba has tone bars made of select padauk which offers an ideal balance between tone and price for the budget conscious. It features a reinforced frame and a unique adjustable height system, perfect for the younger percussionist. The YM 40 has slightly thicker and thus slimmer note bars, meaning that the younger player learning 4mallet techniques can more easily reach intervals that on a larger full size instrument would be impossible for