Hey Ula guidesBoston travel guidesHomeGuidesNorth AmericaUnited StatesMassachusettsBostonThe Freedom Trail, Swan Boats, museum child prices and free MBTA rides for 11 and under.Family travelBoston · With kidsBoston with kids: things to doBoston with kids: MBTA free for 11 and under, Freedom Trail, museum child prices and ages, the SL1 airport bus and 12 months of weather.