http://kclibrary.lonestar.edu/decade60.html
According to my cousin who must just be getting her AARP card in the mail. This is what she did.
swimming
rollerskating
picnics
beaches
barbecues
pool parties
slumber parties
camping
hiking
fishing
dance lessons
dance performances
girl scouts
horseback riding
bicycling
Caroling
singing
laughing
playing board games
safely roaming the neighborhood
Probably all the things any generation likes to do except wear the mandatory dress.