What do the children see through window of radley house?

The children in Harper Lee's To Kill a Mockingbird see a variety of things through the windows of the Radley house, but the most significant and mysterious is Boo Radley himself.

Here's a breakdown:

* Early on: They see shadows and lights moving inside, which feeds their imaginations and fuels their curiosity about the mysterious Boo.

* Later: Jem and Scout actually see Boo's silhouette in the window, though they don't realize it's him at first.

* The most impactful moment: When Jem gets his pants stuck on the fence, they see Boo emerge from the house and silently retrieve Jem's pants, leaving them on the fence. This event confirms Boo's existence and sparks a sense of wonder and intrigue.

While their observations through the windows are mostly fleeting glimpses, they serve to build tension, mystery, and ultimately, a sense of respect and empathy for Boo, who they later discover is not the monster they imagined.