This square not only features a large playground area, it also hosts food and flea markets every weekend. The market is crammed with stalls selling everything from fresh local produce to spices and homemade sauces. There is also a number of street food stalls where you can have a quick bite.
Sat: 9 am - 3:30 pm
Sun: 10 am - 6 pm
Wikipedia (German) http://de.wikipedia.org/wiki/Boxhagener_Platz
Official Website http://boxhagenerplatz.org/
More information http://www.visitberlin.de/en/spot/flea-market-on-boxhagener-platz
Address 22 Krossener Straße, Berlin 10245, Germany
Coordinates 52°30'38.916" N 13°27'34.96" E