Where can I find Particle in Mäder?

Particle can also be found in these cities:

Altstätten Appenzell Arbon Au Diepoldsau Goldach Heiden Oberriet Rheineck Rorschach Sankt Margrethen St. Gallen Teufen Thal Widnau Wittenbach

You can also find this in Mäder:

Semolina Porridge Cake Vanilla Sugar Jelly Ice Cream Desserts Meat Products Lemonades Instant Coffee Pumpkin Seed Roll Canned Meat