Hello All, To satisfy to what is said Order is down a birch wood quality for you that the batteries.Je SONOR S Classix series which is part of the premium is made I have a kit in bouleau.Moi Sonor Force 2001 Birch and the sound is really very good. Most drummers criticize birch drums and owning a snare in metal then you will understand. Sonor is a registered sour and despite what may be said, no kit does not disappoint you at son.Cordiales Greetings drummer