The Oval stone evolves Happiny into Chansey.
You let it hold an Oval stone and make it happy and friendly it should evlove soon after that.
Happinny is the only Pokemon that can evolve with the Oval Stone.
The only Pokemon that can be evolved with an Oval stone is a Happiny into a Chancey.
Happiny evolves into Chansey with an Oval Stone.
Happiny uses the Oval Stone to evolve into Chansey.
That's to easy it is mincinno it evolves into a chinncino
The Pokemon that can use oval stone in Pokemon platinum is Happiny. It is the pre evolve form of chansey. Mostly every chansy you catch have a oval stone.
Chansey evolves from an Oval Stone.
Hapiny + Oval Stone = Chancey
happini can evolve with a oval stone
The Oval Stone is an item in the Pokemon games which can be used to evolve certain Pokemon. For example, it can evolve Chansey.
oval stone is for certain bird Pokemon