Made a pinball / flipper for my arcade! With a nod to a retro lego theme : r/lego
LEGO diving fins / flippers - lime (pair) - Extra Extra Bricks
Amazon.com: LEGO Super Mario Fuzzy Flippers Expansion Set 71405 Building Toy Set for Kids, Boys, and Girls Ages 6+; Collectible Playset Gift (154 Pieces) : Toys & Games
BRAND NEW* Lego Black Flippers for Scuba Snorkeling Minifigs - 2 pieces | eBay
Minifigure Footgear Flipper : Part 2599a | BrickLink
LEGO minifigure atl022 - Atlantis Diver 5 - Samantha Rhodes - With Yellow Flippers and Trans-Yellow Visor at BrickScout
LEGO PART 40386 Animal Body Part, Dinosaur / Whale Flipper with Pin | Rebrickable - Build with LEGO