First you go to Hearthome City and over to the route 209 entrance there will be a guy standing there talk to him and he will give you an egg hatch the egg by running around alot and you have a bran new baby happiny, give it the oval stone during the day and level it up it will evolve to Chansey, now make it max happiness and level it up and it will evolve to Blissey.
Happiny is a Pokemon from the newest generation, Diamond; Pearl; Platinum. So you cant get happiny in Sapphire
Happiny
happiny and riolu
happiny
Happiny
You find it in the Pokemon mansion. I'm not to sure but that is the place to find Happiny in diamond and pearl.
Happiny
You can't. you have to trade from Pokemon diamond or pearl.
The Pokemon Is happiny
Cynthia Has A Happiny Go And Talk To Her?? wrong. Cynthia gives you a happiny egg in pearl and diamond. in platinum, it is togepi
It will evolve a happiny to a chansey (but if you do that on Pokemon diamond or pearl i don't think you can get another happiny so beware!).
Im sorry, but there is no happiny egg in Pokemon platinum. You got diamond or pearl? trade from there