Go to your bag, go to Key Items, and then click it to open it. If you have made pokeblocks in the contest hall, you can feed one to your pokemon.
If you are in the safari zone, walk up to a white platform, press A, and you will have the option of putting a pokeblock on to attract wild pokemon.
Go to the contest hall in lilycove and talk to the lady on the left. She would give you a poke block case.
You can get it in Verdanturf city in the Pokemon contest.
You buy them in the Pokemon markets.
I don't know about ruby or sapphire as i don't have them, but i do know in emerald you get the pokeblock case in Lilycove by talking to one of the ladies behind the counter in the contest hall.
Green!
Go to the contest hall in lilycove and talk to the lady on the left. She would give you a poke block case.
if you travel to south africa and take a left at London you should end up at the rainbow river with a side of gerry pop jam
You can get it in Verdanturf city in the Pokemon contest.
Get the poke block case and go to lilyove city and make poke blocks then just go to your bag and click on the poke block case and click on the poke block you want to feed to your Pokemon and then click on the Pokemon you want to feed it to. simple ? go to lilycove city and make the poke blocks. after that go to your bag and click on your poke block case (is in the key items pocket) and then click on the poke block you want to use then it will ask you what Pokemon you want to feed it to . tell it what you want to feed it to then it feeds it to the one you selected. its that simple.
If you mean a Poke-Block case, you can ask for one in Lilycove City at the Pokemon Contest Hall. One of the girls at the desk will give you one.
you get the poke block case in slate port citys in the Pokemon contest talk to some little balled girl she will give to you.
You buy them in the Pokemon markets.
it is on the ship in the water
I don't know about ruby or sapphire as i don't have them, but i do know in emerald you get the pokeblock case in Lilycove by talking to one of the ladies behind the counter in the contest hall.
you can use it to awaken your pokemon in battle
Green!
Go to a Contest Hall like the one in Verdanturf Town and (first u need a pokeblock case; can be found in Verdanturf Contest Hall) and talk to the old man and he will let you make a pokeblock