For game downloads, you'll be given the download code. Easy as that.
For physical merchandise, you'll need to provide your address (privately; PM or instant messenger) to ship the merchandise to.
Feel free to post any questions.
Inventory changes at least monthly, if not more often.
Inventory is not guaranteed to remain in stock.
If you need to purchase LCash, click here.
If you want to view the Club Nintendo rewards catalog directly, click here.