When Gordie is in his room the camera pans out and out of the window, the boom mic is clearly seen through the window before it is lifted out of shot.
The urine stains on Danny Hollister's pants appear and disappear between shots.
The green blood stains on the old man's clothing disappear and reappear between shots.
The position of Danny's books and his backpack changes.
When Danny Hollister is walking into school, he is seen with his backpack on and a brown paper bag in his left hand, however when he is in school he is seen holding his backpack and the brown paper bag in his right hand.
When Rudy pushes Danny Hollister to the ground, books are seen next to his backpack, however books are never seen falling out of his backpack.
Gordy is shown pulling the wings off of the flies he had captured in his room before placing them in a glass tank. A following close up of the tank shows that all the flies inside still have their wings attached.