Amazon.com: Classic Rubber Duck Toy Duckies for Kids, Six Solid Colors, Bath Birthday Gifts Baby Showers Classroom Summer Beach and Pool Activity, 2" (500-Pack) : Toys & Games
Amazon.com: XY-WQ Rubber Duck 50 Pack Bath Toy Assortment - Bulk Floater Duck for Kids - Baby Showers Accessories - Party Favors, Birthdays, Bath Time, and More (50 Varieties) : Toys & Games
See 500 Rubber Ducks Take To The Canal This Week | Londonist