Welcome to the first part (Musse & Helium Part 1: The Mystery of the Hole in the Wall) of the audio adventure featuring the two small mice, Musse & Helium, who one day discover a magical hole in the wall of their home. This hole leads them to the Animal Kingdom – a land beyond the boundaries of imagination and completely different from the Human World where the mice live.

As they venture deeper into this fantastical realm, they find themselves caught up in a series of mysteries and challenges. Their journey in this unique audio adventure will introduce us to the enchanting creatures of the Animal Kingdom, take us through hidden passages, and leave us with cliffhangers, as we follow Musse & Helium’s quest to uncover the secrets of the Hole in the Wall.