Family hop downtown hop on hop off tour 24 hrs exploratorium 7 d experience this family pass provides kids and adults a fun and easy way to experience san franciscos downtown area and fishermans wharf where millions of families gather for activities and the fun things to do in san francisco everyone loves the ride on an open top double decker bus which you can enjoy with the hop on hop off downtown tour choose to either stay on the bus for the one hour live narrated tour or hop o