Set of 2. Operation confirmed. *The outer box shows signs of wear such as scratches. Instruction manual included. *Taiko no Tatsujin dedicated touch pen (unused) included. *Deco stickers not included. *This is a used item, so it may not start immediately due to compatibility issues between the console and the software. In that case, please blow air into the console's cartridge slot and the software's connector. (If you are unfamiliar with 3DS/DS consoles, please refrain from purchasing to avoid potential problems.)