BoysDays - really let off steam. cars, football and sports. BMW, Allianz Arena, or Boulderpark - all easily accessible from Oberschleißheim.
Plan the active adventure package yourself. Hotel Blauer Karpfen is the comfortable base camp.
If you want, you can also jet 7 km around the airfield on roller skates or run through the Berglwald.
If you want to take it easy, you can simply enjoy Bavarian cosiness in Munich.