We purchased the 5 day go card. We used for hop on hop off, Charles river cruise, Boston tall ship, U.S.S. Constitution, acquarium, revere house, fenuil hall, old state house, gray line tour to Maine. Fenway park tour.
On our own we did the Boston tea party reinactment, cheers, Lego discovery center, and 90% of freedom trail.
Restaurants we recommend include reginas pizza, giacamos, modern pastry in north end, the union oyster house downtown,
Pubs the black rose and green dragon.
We did this with 2 kids 11 and 8.
Kids under 12 are free on the T. You can purchase a Charlie card for 7 days unlimited use for adults $19 per.
Wow! I'm tired after just reading this summary.