From Rory's Story Cubes. Imagine reading your favorite Moomin adventure that ends on a cliff-hanger, or wanting to add your own twist on an animated episode you have just watched. StoryWorlds Moomin now gives you the power to create and extend your own Moomin stories. Roll the nine dice, look at the images and delve deeper into the Moomin Valley, crafting your own adventures. This is for the Moomin Fan, show off your knowledge by creating the craziest storylines ever imaginable.