Maks loved to roam the nooks and crannies of his grandfather's house. It was a huge, creaky building at the end of town, surrounded by a wild garden full of old trees. One cloudy afternoon, Maks visited his grandfather together with Klara, his best friend. Grandfather Franz was known for collecting all sorts of peculiar objects. In the attic there were chests full of strange maps, pens, rusty keys and books with spines so worn that the titles were hard to read. But what Maks liked best was his grandfather's secret study, hidden behind the sliding wall of the library. That day, Grandpa Franz revealed to them that there was something quite special in the study. "Remember, not everything is what it seems". - he added mysteriously. Maks and Klara squeezed through the narrow door and were already standing in the middle of the small, dark room after a while. On the desk stood a casket with intricately carved dragons. - Shall we open it? - whispered Klara, her eyes shining with excitement. Maks carefully opened the lid. Inside lay an old pocket watch on a silver chain. It was covered in a strange swirling pattern that could not be grasped by sight for long. When Maks touched the watch, he felt a gentle tingling in his fingers. Clare leaned over to get a better look, and that's when something unpredictable began to happen. The room trembled and the walls suddenly blurred as if they were made of mist. Maks and Klara felt that they were no longer standing on the wooden floor of the study, but on soft grass under a huge sky that shimmered with all the colours of the rainbow. In the distance were huge mushrooms with glowing hats and strange flying creatures hovering just above their heads. As they tried to make out where they were, the ground trembled slightly and a creature with eyes shining like stars emerged from behind a hill. The creature looked straight at them and slowly began to approach....