The basket in which the kittens are found changes locations near the front door. First it is a few feet from the front door on the front crossing sidewalk, then it is shown practically next to the door, with the sidewalk nowhere to be seen.
When the woman of the house puts down her magazine and picks up her knitting, the blue fabric almost disappears for a few frames and one can see through to her yellow dress. Ink and paint here was poorly done through this sequence.