From the beginning of the story, you find out that the children are very spoiled. The imagination of the children come true through the nursery. When the parents bring up the idea of shutting down the nursery for a little while and the kids get so mad, that they kill their parents.
The author emphasizes how spoiled the children are and how that eventually effects the entire family.
A rich/spoiled person's house and lifestyle
"They walked down the hall of their soundproofed Happylife Home. Which had cost them thirty thousand dollars installed ..."
"This room is their mother and father, far more important in their lives than their real parents." This text supports the idea that if children are spoiled, there could be irreversible consequences.
"You've let this room and this house replace you and your wife in your children's affections."
"You can't tell any kind of a story without having some kind of a theme, something to say between the lines." -Robert Wise
The setting conveys and proves that Wendy and Peter were very pampered, spoiled and undisciplined and being spoiled plays a big role in the theme of the story.
Main character, conflict, and setting are the three most important story elements in The Veldt because those elements are the main three elements used to develop theme in the story, especially setting.
The conflict is that the children want to keep the nursery running unlike the parents which supports the idea that the children are spoiled with technology.
The conflict unveils how spoiled the children are and eventually, it causes an "irreversible consequence."