German noun ending
In my beginners' German text, I found a sentence as below.

Für meine Schwester habe ich einen Berliner Bären gekauft.

I don't understand why" Bären" not" Bär"? Does this word belong to a certain category of nouns?
Please explain.
Thanks,

Question

German noun ending
In my beginners' German text, I found a sentence as below.

Für meine Schwester habe ich einen Berliner Bären gekauft.

I don't understand why" Bären" not" Bär"?  Does this word belong to a certain category of nouns? 
Please explain. 
Thanks,

Answer

Yes, it does. Look up "n-Deklination", e.g.: http://mein-deutschbuch.de/n-deklination.html