Hello and welcome!
You want to spend a week or more with your family in Berlin during the vacation and searching for an affordable and central place to stay? Here it is! Very nice new townhouse on the edge of two Berlin’s best districts Friedrichshain and Prenzlauer Berg, 10 min walk to S-bahn station and tram, so you can get to almost any place in Berlin within 20-30 min.
Small garden with trampoline, big playground right next to it and fully equipped basement won't let you get bored.