Where do you get the poke block case in the pokemon ruby version gameboy game?

Question

Where do you get the poke block case in the pokemon ruby version gameboy game?

Answer 1

you get the poke block after bringing a rune maniac in rustborrow an unknown

Answer 2

Ok the person who answered first is insane I don't know wth he's talking about. Go to Slateport city. In the northwest of the city (top left) you'll see a pokemon contest hall. inside you will see a small child. talk to it and you will reciece the case.