Catch a bunch of pikachu's in the safari zone then check to see if one is holding it.
Quick balls don't exist in sapphire.
if you mean, a light ball, then catch a pikachu at the safari zone
shadow ball isn't avalible in sapphire
There's no such thing as a ball creator in Pokemon
you can if you have a Master Ball
You can't.
You cannot switch a pokemon from one ball to another.
die
use a ultra/great ball
In the Aqua Hideout.
Right of Lilicove
You can find it in Archie's Base. Make sure to grab it, because there is no way to come back later and get it if you don't.