852985 Duck Key Chain is a Key Chain released in 2010.
It uses four pieces, three yellow (one of which has eye printings), one red.
On the bottom of the keychain is a 2x2 brick in yellow colour. Above that is a 2x4 piece that also is yellow. Covering up half of the 2x4 brick is a thin 2x3 brick that is red. On top of the that is a 2x2 yellow brick with printings of an eye on each side. Connected to that brick is the keychain part with six loops and then the keyring.