World’s Smallest Operation Board Game - Walmart.com
What size batteries for operation game? - Quora
Vintage 1987 Operation Game by Milton Bradley Vintage Board - Etsy
Operation Game - Hasbro Games
Amazon.com: Operation Disney The Nightmare Before Christmas Board Game | Collectible Operation Game | Featuring Oogie Boogie & Nightmare Before Christmas Artwork, 1+ Players : Toys & Games
Amazon.com: Hasbro Hasbro Operation Game : Toys & Games