you need a wifi connection
It is already on the eShop for 3ds
The eShop for the Nintendo 3DS is out already.
Mario Kart 7 is already in the Nintendo 3DS eShop
Using the Nintendo eShop.
Yes, the Nintendo eShop is free. All you need to access it is a working internet connection.
Firstly, you will need internet connection and your region settings must be in a location that has the Nintendo eShop available. Then, select the Nintendo eShop icon on the home screen. Enter your Nintendo Network ID and password to have access to the Nintendo eShop.
never
eBay or amazon
At Game Stop.
no
You can download it from the Nintendo Eshop (may cost money)
The eShop has a maximum wallet size of £200.