Also, if you happen to find Kolle Mate[0], try one.
If you're looking for places to buy, Matekarte[1] provides a nice map detailing who sells what and the latest status (in stock, only few left, out of stock). Unfortunately, it appears to only be available in german.
If you're looking for places to buy, Matekarte[1] provides a nice map detailing who sells what and the latest status (in stock, only few left, out of stock). Unfortunately, it appears to only be available in german.
[0] http://kolle-mate.de [1] https://www.matekarte.de/