I've heard a lot of ages of how old the Winx are and here's my opinion . . .

Season 1

Winx:

Bloom - I think she's like 15 in season one because she's a freshman.

Stella - I know the Stellais older than the other girls because she failled her first an at Alfea so I would say she's 16

Tecna - I'm pretty sure that she's 15 like Bloom.

Musa - I think Musa's about 15.

Flora - Flora's is about 15 too because she's a freshman at Alfea.

*NOTE LAYLA HAS NOT JOINED THE WINX YET SO I DIDN"T PUT HER ON*

Specialist:

Sky - Is about 16 because he was there last an *As a dit par Stella*

Brandon - Is also 16 because...

Witch

Ice Prison
Frostbite: Icy exhales an icy wind at her opponent.
Iceberg: Completely freezes a surface of area.
Crystal Cage: Traps enemy in an ice container.
Arctic Blast: Releases a fragment of ice energy, focusing it, which then explodes, leaving the enemy unconscious.
Ice Coffin
Ice Crusher: A huge chunk of ice builds up suivant to an object and grows until the thin piece of ice holding it up breaks, causing the chunk of ice to fall on the object and crush it.
Blizzard: Creates a blizzard.
Ice Attack: Shoots a disk of crystals.
Ice Hail: Attack that wipes out everything in her path.
Ice...