|This article is a stub. You can help Winx Club sirenix Wiki by expanding it. Make sure that you have read the rules before editing.|
After the girls found the Sirenix Book in The Power of Harmonix, Tecna and Aisha wanted to open it, but it wont open. The girls must find the Creature of the Rainbow Mantle and earn a new power before Sirenix. In the episode, Sirenix, they were no longer used.
- The Sirenix Boxes looks very similar to the Water Stars. However, the Sirenix Boxes are much bigger and they are identical.
- There are 2 unidentical gems in the Sirenix Box.