* Boo Radley is a monster: The children believe Boo is a grotesque, dangerous creature due to the rumors spread by adults. They picture him with a long, sharp fingernail, a wild look, and a penchant for eating people.
* The house is haunted: They believe the Radley house is haunted, leading to a sense of fear and intrigue. They associate the house with strange sounds, eerie events, and an overall sense of danger.
* Bad luck associated with the house: The children believe approaching the house or even mentioning it will bring bad luck. This fear keeps them away from the house, reinforcing their sense of the unknown.
* The "Boo Radley" game: This game reflects the children's morbid fascination with the mystery surrounding Boo and the house. They play a game where one child represents Boo, attempting to catch the others.
It's important to note that these superstitions are largely based on the fear and misinformation spread by the adults in Maycomb. The children's imaginations run wild, creating a fictional monster out of Boo Radley. Their superstitions are a result of the town's prejudice and ignorance.