I haven't really found any that are true drop in programs. Gymboree does have "play gym" where kids of all ages (up to 6 I think) can play. You need to call the morning of the class after 9 am to make a reservation. The website is
Read More. You won't find many moms there and there's no coffee, but the kids will have fun.
I happen to meet other moms and toddlers at Pacific Coffee (the one at Hollywood and Lyndhurst)on Fridays at 2pm. You are welcome to join us if you like.