Where can I find Tonica in Fernwald?

Tonica can also be found in these cities:

Buseck Butzbach Giessen Hüttenberg Langgöns Lich Linden Lollar Mücke Pohlheim Rabenau Rockenberg Staufenberg Wettenberg Wetzlar

You can also find this in Fernwald:

Cream Products Gelatine Crispbread Cornflakes Antipasti Fund Pepper Dumplings Sesame Roll Mayonnaise And More