eBay ?
You can with a normal link cable
Yes, just use the normal link cable.
You can trade pokémon by using a link cable between your GBA sp / GBA.
There is a slot in the back of the gameboy that you can out in.
wont work
It is possible if you have a GBA Link Cable, so it is possible. Pokemon Emerald uses Wireless Adapters, though. Otherwise, you use the Link Cable (not compatible with DS models).
Yes, but you will need an original Gameboy link cable, not a GBA one.
The Game Boy Pocket and Game Boy Color Lead is needed. I have Traded from a GBA-SP to the Original "Brick" Game Boy, using the Game Boy Pocket lead.The GameBoy Advance Lead Looks almost Identical, but does not work with Game Boy Games and Game Boy Color games.
Yes.
Yes. The standard Gameboy Advance cable is compatible with the Gameboy Advance SP.
to use the cable insert the first plug into the sp back plug and insert the other plug into another sp or gamboy advance and you can trade stuff like pokemon.
There is a cable by Nintendo that allows two gameboys advance or sp to be connected. It is called Gameboy link cable. Get them at wal-mart or gamestop. only buy the ones from Ninteddo or Pelican. the ones from Z are scams.