Watch your kids get utterly lost in fascination and enjoyment.
A great playground option, a short walk from the museum and across the street from the Ferry Building
Lunch at the Ferry building - plenty of kid friendly options.
Take the Muni up the Embarcadero to see the Sea Lions at Fishermans' Warf.
Teach the children about old arcade attractions. Freak them out with the Fortune Teller Machine, as seen in the old Tom Hanks movie Big. Break away for a game of Galaga.
If the kids have any energy, walk up Coit Tower and watch the city from one of its most scenic spots.
If you've got adventurous eaters, take an Uber out to this restaurant by the ocean, tie on a bib and feast on roasted crab and yummy garlic noodles.
Old school boutique hotel in the Marina, fun for kids.