Region and currency
The code is issued for one country's eShop and redeems only onto an account registered there, in that currency. This is enforced at redemption and there is no negotiation.
Nintendo accounts are also frequently set up by a parent on behalf of a child, sometimes years earlier and sometimes in a different country from where the family lives now. It is worth actually checking rather than assuming.
Family groups
Nintendo's family setup means a child account can often draw on a parent account's balance, or be blocked from spending entirely, depending on how the parent configured it.
Two practical consequences:
- A code redeemed onto the wrong account in the family may not be spendable by the person the gift was for.
- Adding funds to the parent account is sometimes the right move rather than the wrong one — ask the family which they want.
What the balance buys
Games and DLC from the eShop, and in-game currency for titles sold there. Not hardware, not physical games, and not anything bought outside the eShop.
Some subscription tiers can be paid from balance; the family tier in particular is worth checking before relying on it.
Gift cards versus funds
Nintendo has at times offered both prepaid cards and direct account funding. The practical difference for you is small — both end up as balance — but the products are priced separately and not every denomination exists in every market.
Asking for one
Give us the country and the amount, and say whether it is for a child account inside a family group. The gaming category guide has the wider picture.