Nintendo have officially revealed details of the 3DS Slide pad attachment as well as pricing details for Japan.
The slide pad will cost 1500 Yen (approx £12.30/$19.47) on its own or come with Monster Hunter 3G as a bundle.
As well as this, Nintendo have also revealed a list of games that will be compatible with the attachment once it is released:
Monster Hunter 3G
Resident Evil Revelations
Metal Gear Solid Snake Eater 3D
Ace Combat 3D Cross Rumble
Dynasty Warriors VS
Kingdom Hearts 3D