Where can I find Poppy seed roll in Wikon?

Poppy seed roll can also be found in these cities:

Aarau Buchs Egerkingen Egolzwil Erlinsbach Gränichen Herzogenbuchsee Huttwil Langenthal Lenzburg Lostorf Lupfig Menziken Murgenthal Möriken-Wildegg Oberkirch Oensingen Oftringen Olten Reiden Reinach Rothrist Ruswil Schöftland Schönenwerd Sempach Seon Suhr Sursee Unterentfelden Zell Zofingen

You can also find this in Wikon:

Yogurt Pizza Flavors Honey Popsicle Meat Mineral Water Coffee Drinks Pretzel Cookies Canned Vegetables