Well, one common element is the feeling of being alone. When a kid is by themselves in a big, empty house or in the middle of a field at night. Mystery is also important. Maybe there's a locked room in an old mansion that no one has entered for years. And of course, things that go bump in the night, like footsteps in an empty hallway, are typical in kid spooky stories. This all combines to create that spooky atmosphere that kids find both scary and exciting.
In a kid spooky story, there are often things that seem normal at first but then turn out to be something strange. For instance, a friendly - looking old lady who is actually a witch. Also, the use of the night time is common. Everything seems scarier when it's dark. And then there are the unexplained events like a doll that moves on its own or a picture on the wall that seems to change. These elements keep kids on the edge of their seats and make the spooky story memorable.
Ghosts are a common element. For example, a spooky white figure that haunts a place. Another is strange noises like creaking or scratching that add to the fear factor. And also, dark and isolated places such as old houses or deep in the woods are often in kid spooky stories.