Take the MetroLink to DTLA, then the subway to Universal CityWalk. Try IFly Hollywood a couple of times, eat at one of the better places, then go back. No cars, something unique to do. Lot's of fun.
Lunch at the Biltmore, walk around State street commercial zone, take a drive to Montecito, and stop at San Ysidro Ranch for dinner before heading back home.
I have blog about field trips and fun things to do around town. Please look it over to get inspired and find fun ideas. http://fieldtripmom.blogspot.com/