- 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 KeepRoute66Kickin.com 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. KeepRoute66Kickin.com and Mobil 1 are working to highlight small businesses along Route 66 and to turn it into a National Historic Trail.