For Labor day we went into the city to go to the marine museum on Pier 39. We had some free passes through the library and it was fun but not worth the $25 per person regular cost! We took bart into and walked to Pier 39 then went to the Ferry Building to get some treats. We had such a fun time. Mason loved running while we walked to Pier 39. We were even able to make it back for nap time because the bart ride was only 20 minutes. The weather was perfect and we ended up going to a huge park on our way back to bart. I love cheap fun activities that we can do as a family!