Winx Club Forever
According to Eldora, the Infinity Box is a magical box which can keep anything inside.
The Infinity Box is an ornate wooden box with gold detailing and latch. It has a design on the lid.
In "Acheron", Eldora enters the History of Magic classroom and gives the Winx the Infinity Box, a box that can contain anything magical. Later, Bloom used the box to trap Acheron. Bloom then trades Rumpelstiltskin the Infinity Box for the Legendarium Key.
- The Infinity Box is similar to the Agador Box, seeing as they can both contain magical objects.