The Sumida Hokusai Museum

Kids can try a hands-on palanquin and rickshaw, and there's a full-size copy of the Nihonbashi bridge and a life-size kabuki playhouse.

Suites that sleep up to six, a restaurant looking out at Skytree, and a free shuttle to Disney for guests, with the airport limousine bus stopping at the door.

The science of salt and the world's salt resources on one floor, and the story of tobacco, from the Maya site of Palenque to the Edo period, on another.

Ukiyo-e prints hang in a concept room drawn from Edo-period picture books, alongside a Pokémon room and loft-bed and tatami apartments.

Each apartment has a bunk bed, and the river view ones look out over the Sumida, with Skytree and the aquarium close by.

An earthquake simulator, a smoke room, a storm of wind and heavy rain to stand in, and a VR disaster experience for second graders and up, all free.