Where can I find Baking soda in Oberthal?

Baking soda can also be found in these cities:

Baumholder Dienstweiler Freisen Hermeskeil Herschweiler-Pettersheim Illingen Marpingen Neunkirchen Nohfelden Nonnweiler Saarlouis Saarwellingen Sankt Wendel Schmelz Wadern Waldmohr Weiskirchen

You can also find this in Oberthal:

Sponges Soccer Marshmallows Pencils Food Maple Syrup Cheese Counter Gnocchi Milk Baking Ingredients