A century-old funfair in the middle of town, a spiral aquarium by the airport, and cargo bikes.
Tivoli Gardens
Gardens, a wooden coaster from 1914 and evening lights, open across summer plus Halloween and Christmas seasons. Works for toddlers through teenagers.
Den Blรฅ Planet
Northern Europe's largest aquarium, shaped as a whirlpool, at Kastrup on the metro line. Hammerheads, an Amazon room and touch pools.
Copenhagen Zoo
In Frederiksberg, with an elephant house by Norman Foster and a children's zoo where goats can be brushed. Half a day, easy on foot.
Experimentarium science centre
A large hands-on science centre at Hellerup with a bubble room and a climbing structure through the middle. Best from about four to thirteen.
Cargo bikes and free travel
Christiania-style box bikes rent by the day and carry two children safely. Up to two under-twelves travel free with a ticket-holding adult.