Concepts/Winx Club

Earlier Versions
The first Winx concept was launched in 1999 and the trailer was released in 2001 before it is finally styled as Winx Club.
 * -|Magic Bloom=

Official Synopsis
"Magic Bloom (1999 - 2000) - animated TV series emitted on Cartoon Network. This is about adventures of 5 girls - Bloom, Stella, Flora, Lisa (Lisa → Melody → Musa from Winx Club) and Tina (Tecna from Winx Club). They study at Alfea - School for Fairies. But they must fight with 3 evil witches from Cloud Tower."

Character Design
Magic Bloom had earlier designs which finally known in its current version.

Winx

 * In the early concept, Flora wore glasses and had purple hair.
 * Musa was intended to have green short hair and green eyes.
 * Originally, Musa was supposed to be called as "Lisa", then, her name was changed to "Melody" and finally was changed to "Musa".
 * Originally, Tecna was supposed to be called as "Tina" but was changed to "Tecna".

Trix and Knut
The Trix wore outfits that resembled their ancestors, most noticeably is the similarity of Icy's outfit in this concept art and Belladona's final outfit. Other thing coming Soon...

Photos
The name of the show was changed to "Winx, Solo le Fate" (Winx, Just Fairies) in 2002.
 * -|Winx, Just Fairies=

Official Synopsis
"Fairies and Witches have been fighting forever, in the name of Good and Evil. Somewhere in the Universe this battle begins... Bloom and her aspiring-fairy friends will be the protagonists of the most exciting adventure of all time.

''They are smart, they are stylish, they are magic... they are THE WINX!''

-Pilot available

-Multi-layered show with elements for both boys and girls

-Action sequences, attitudes and displays of power, strength and magic for boys

-Fashion, friendship and lots of music for girls

-Wit and humor will also lace this newest offering on the animation."

Deleted Scenes
There were some deleted scenes of Season 1 that were available to watch:
 * -|Season 1=
 * The scenes of the Winx's transformation.
 * The scenes of the Specialist fight against an octopus-like monster.

Noticeably, there were some changes in comparison to the finalized Season 1:
 * Bloom was intended to transform by spinning.
 * Flora's final pose included an transparent embossed four-petaled flower on the background.
 * Stella's final posing background was altered.
 * Stella's Winx had a brighter range of color.
 * The Specialists seemed to use phantoblades only.
 * The phantoblades was intended to only be glowing, not glowing and translucent.

Character Design

 * -|Winx Club=

Magical Creatures

 * -|Underwater Creatures=
 * Selkies: In the planning stage, the Selkies have more similarities with the Pixies, with fish-like features, but were later changed.

Fairy Forms
In the early concept art, the Winx had bigger wings. The wings were in solid colors, instead of translucent colors. With the exception of Musa, who had noticeably changes in the first fairy forms, the outfits of the rest of the Winx did not change much:
 * -|Winx=
 * There were two strips of cloth on two sides of Bloom's outfit. She also wore a dark blue legging. And instead of having two pieces, her outfit was in one piece. The collar was altered, the gloves were more puffed and tied by the ribbons at her elbows. There were yellow strings used to decorate the dress, which were connected to the jewel on her chest. Two more gold jewels attached to her boots, connected to antenna-like fabrics. The boots received the dark blue design on top of them. Her wings were in light cyan and white.
 * Stella's hair ties were blue instead of orange. Her headband was decorated with yellow spots instead of being solely blue. Her top was off-shouldered and stayed in orange color. There was a silver ring connected the top and the bottom. In the center of the bottom, there was a dark orange fabric, the rest of the bottom was decorated by orange and yellow triangles. Her armbands were longer and attached two yellow jewels. Her boots were shorter and also attached two yellow jewels. Her wings had one more leaflet and stayed in Bloom's wings' colors.
 * Flora's theme color was yellow/cream instead of pink. The dress was also more puffed. Her choker was in chartreuse-color while the flower/ribbon was spring green. Her gloves were also more puffed and resembled separated sleeves. She wore spring green high-heeled shoes, decorated by two matching strips and light green leaf-shaped fabric on each side. Her wings were in spring green and lime.
 * Tecna also had lime jewels not only on her helmet but also on her dress just like Bloom and her boots. The jewels near her ears were also lime green instead of cyan like in the present. The collar, sleeves and gloves were altered. There were two laser guns attached on her gloves. There were two yellowish green lightning-shaped antenna-like objects decorated her helmet and two light purple strips of cloth decorated her outfit.
 * Musa: Coming soon...

Backgrounds

 * -|Schools=

Alfea

 * -|Planets=

Storyboard

 * -|Winx Club=

Trailer
Storyboard for Season 4 trailer done by Simone Borselli.

Season 6

 * -|Movies=

The Mystery of the Abyss

 * -|Merchandise=

Behind the Scenes

 * -|Winx Club=

Pre-Productions

 * -|Winx Club=

Comics Concepts
Characters Design done by Pierdomenico Sirianni.
 * -|Characters=

Sketch pages done by Pietro Dichiara, Pierdomenico Sirianni, Rosa La Barbera and others.
 * -|Pages=

Merchandise

 * -|Dolls=

Couture

 * -|Misc.=

Games

 * -|Winx Adventure=

Trivia

 * So far, only Charmix, Harmonix and Tynix are the only transformations which does not have an initial prototype.
 * So far, only Stella's prototype Bloomix wings was not seen.