Search Rubber Duckies Season 4 Week 3 Weekly Challenge in Fortnite BR.
"Search Rubber Duckies" is one of the possible Weekly Challenges in Fortnite Battle Royale.
For this challenge you need to interact with 10 Rubber Duckies.
Doesn't have to be in the same game.
See map below for the locations of the Rubber Duckies.