A cool bedtime story often has adventure. Take 'The Hobbit' for example. Bilbo Baggins goes on this huge adventure, facing trolls, goblins, and a dragon. It's exciting! Then there's the element of friendship. In 'Frozen', the bond between Elsa and Anna is crucial to the story. Their love for each other helps them overcome difficulties. And unique creatures or races can be cool too. In 'Lord of the Rings', the different races like hobbits, elves, and dwarves add a lot of richness to the story.
Magic elements can make a bedtime story cool. For instance, in 'Harry Potter' stories, the magic spells, wizards, and magical creatures like dragons and unicorns add a sense of wonder. Another element is a heroic protagonist. A character like Mulan, who is brave and goes against all odds to save her family and country, makes the story exciting. Also, a vivid and strange setting, such as the land of Oz in 'The Wizard of Oz', with its yellow brick road and Emerald City, can make a story really cool.
Well, mystery is a great factor. A story that keeps you guessing, like 'The Mysterious Benedict Society' where the kids are on a mission to solve a big mystery. The characters also play a part. If they have unique personalities and abilities, it's cool. Think of the Genie in 'Aladdin' with his unlimited wishes and humorous nature. And a story with a good moral at the end, but not too preachy, like the story of the 'Ant and the Grasshopper' which teaches about the value of hard work in a simple and engaging way.