After you have beaten the game. Note: You also need to have beaten the Elite Four in your GBA Pokemon game to trade.
No.The Pokemon is not the right level,and or gender.
Let Giratina hold it and then trade it.
You can't, it won't let you.
Yes.
yes
In Pokemon Fire Red, you have to get all of the jewels on one island. then it will let u trade. IMMA FIRIN MAH LASAH!!!!!! bleh.
no you can't let Pokemon hold key items
no.
It will let you trade between Pokemon Gold and Crystal. You just have to make sure you are using two gameboy colours and a gameboy colour link cable.
No you can't... you have to deposit them first.
it's impossible you can let your Pokemon hold it when you trade with other people
if it has ends that plug into the gamecube and the GBA, then yes