Largest display of milkshake varieties
Delgadillo's Snow Cap
266 total number
United States (Seligman)

The largest display of milkshake varieties is 266, achieved by Delgadillo's Snow Cap Drive-In (USA) with the support of and Mobil 1 in Seligman, Arizona, USA, on 10 September 2022.

Delgadillo's, located along Route 66, created 266 unique flavors of milkshakes in honor of the historic US road. and Mobil 1 are working to highlight small businesses along Route 66 and to turn it into a National Historic Trail.