you cant buy it new you could try you're luck at trade me eBay or trade in stores
eBay
IN A STORE :D:P FROM LOLPICKET
A link cable can be found in wish cave after having the wish stone on 50F, or more commonly found in Solar cave, if you already have the locked items. A link cable will be in its place.
GBA cable link
Buy 2 xbox 360s and put a cable between them.
Unfortunately, GBA Link cables cannot be fixed. Once they are broken, they are broken. You must buy a new one.
You need to buy a link cable designed for Game Boy micro.
you will need a link cable to link to another player.
There is a opening in the link cable for another link cable to be inserted into that which then can transfer to the other GBA's.
you can't a GBA link cable can't connect to a DS.
There isn't a link cable. It's all Wi-Fi.
see related link.