A big central park with a play area for under-fives, plus a zoo, a gallery and bikes and boats to hire.
A huge park with paths and picnic space and a playground for ages up to about 7.
A tree-shaded park on the Celian hill with a playground, between the Colosseum and the Baths of Caracalla.
A gallery of Bernini sculpture and other art, visited by timed entry.
Ice Age museum built over the dig, with fossils of elephants, hippos and rhinos found right where you stand.
Small amusement park, part indoors and part out, with a roller coaster, a Snow White train and a toddler playground.
A huge basilica with free entry and a separate, paid dome climb.
Indoor butterfly house where tropical butterflies and moths fly free all year.
A castle museum on the Tiber with ramparts, old prison cells, rooftop views and the Passetto corridor.
Tiny cinema whose whole program is for kids.
The arena where gladiators fought, with guided visits and some tickets that include the underground level.
Amusement park with its rides sorted by age, starting with a set for kids under 3.
An exhibition of working reproductions of Leonardo's machines, with interactive inventions to try.
Natural history museum next to the zoo, with a workshop where the smallest kids guess animals by sound and touch.
Prehistory and world cultures museum, told with models and reconstructions meant for kids as much as adults.
Planetarium inside a museum, with immersive shows made for every age.
An indoor multimedia show with moving models that tells the story of Rome through narration.