if you want to evolve clefairy you must have a moon stone you can get one at MT.Moon
Clefairy cannot evolve into Clefable by leveling up in Pokemon FireRed. The only way to evolve Clefairy is by using a Moon Stone on it.
Level 32.
Rhydon, in Pokemon FR/LG, does not evolve.
you evolve it on level 20 into hitmonlee or hitmonchan
lvl 25
Clefairy doesn't evolve by level, you'll have to use a moonstone on her.
Clefairy cannot evolve into Clefable by leveling up in Pokemon FireRed. The only way to evolve Clefairy is by using a Moon Stone on it.
you have to trade it to evolve.
In Pokémon LeafGreen, Magnemite will evolve into Magneton at Level 30.
at level 40
level 28
Level 31.
Level 38.
level 26
at level 36
Level 36.
Level 32.