Where can I find Sponges in Bönen?

Sponges can also be found in these cities:

Arnsberg Beckum Bergkamen Dortmund Hamm Holzwickede Iserlohn Kamen Lünen Menden (Sauerland) Nordkirchen Schwerte Unna Werne

You can also find this in Bönen:

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