This is a set of the Nintendo 3DS Expansion Slide Pad and the 3DS game Monster Hunter Double Cross. Double Cross is compatible with the Expansion Pad, so you can play it right away. Operation has been confirmed, but the ZR and ZL buttons on the Expansion Pad have not been tested. Also, I don't know how long the current batteries will last. The analog sticks have Neko Nyan covers on them. Since this product is discontinued, it might be a bit of a bargain... maybe? Shipping may be changed to Rakuraku Mercari Delivery. Thank you for your understanding.