My wife works at Little Blessings. It uses the premises of (English speaking)
Crossroads International Church. Open three mornings a week, easily reached by trams 10, 11
There's a also a Tuesday coffee-morning. where you can bring kids up to 5 years old. Wednesday morning, there are introductory German Lessons which connects with Little Blessings.
Close to the 16 tram, 36, 37, 47 busses, and the 10, 11 and E11 trams. (Dreispitz, Leimgrubenweg).
(Unfortunately, there's a problem with the website at the moment, but the main site is there - if you want more info, send me a private message for the time beaing)