Hey Ula guidesSeattle travel guidesHomeGuidesNorth AmericaUnited StatesWashington StateSeattleFree youth transit, Seattle Center, museum child bands and Link light rail from Sea-Tac.Family travelSeattle · With kidsSeattle with kids: things to doSeattle with kids: free transit for 18 and under, Seattle Center, museum child ages and prices, Link from Sea-Tac and 12 months of weather.