Christmas Duck is an avian-styled holiday decoration that is stored in a cabinet on the front porch.
If it is picked up, it becomes "Good ol' Christmas Duck."
It cost $5.99.
| Spoiler warning!|
This article contains plot details about an upcoming episode.
A copy of the front door key is under the duck.
The change to the interaction text after it is picked up -- "Good ol' Christmas Duck" -- suggests that hiding a key under the same duck is a constant in her family that Katie is familiar with and was likely used at their previous house.
The duck can be freely rotated in six axes.