Wädenswil's Jugendarbeit has many programs that might be of interest to the younger ones.
Website:
http://www.jugendarbeit-waedenswil.ch/ City of Wädenswil wiki
This week there is the:
Fri 16.12.2011 20:00 to 24:00 Oberstufenparty ( Seniors ) School ID required. Entry costs CHF3.50, drink at CHF1 location
Gulmenstrasse 4, Wädenswil
Sat 17.12.2011 20:45 to 23:00 Midnite Ball and Break Dance Show ( Eidmatturnhalle )
as well as regular Sackgeldjobs and Legal Spraying ( Legal Sprayen ) activities - details on website as enclosed PDF file.
This a fun bunch of kids there.