Question: things to do with a 2 year old in the bay area?
Answer: Aquarium of the Bay (Embarcadero and Beach St.) ... 
Asian Art Museum (200 Larkin St.) ... 
California Academy of Sciences (55 Music Concourse Dr.) ... 
Children's Creativity Museum (221 Fourth St.) ... 
Contemporary Jewish Museum (736 Mission St.) ... 
de Young Museum (50 Hagiwara Tea Garden Dr.) ... 
Exploratorium (Pier 15)