Centre Belge de la Bande Dessinée (Comic Strip Museum)A museum of Belgian comics, including Tintin, the Smurfs and Lucky Luke, in an Art Nouveau building designed by Victor Horta. Free under 6.
Children's Museum Brussels (Musée des Enfants)A hands-on discovery museum for ages 2-12 in Ixelles, with themed rooms on science, art, the human body and daily life, plus workshops. Book ahead at weekends.
HallepoortBrussels' only surviving medieval city gate, with a small museum of medieval arms and armour where children can try on helmets and handle replica weapons. A rooftop walkway gives views over the Midi district. Free on the first Wednesday afternoon of each month, and free under 17.
Institute of Natural Sciences, Dinosaur GalleryHome to the world's largest collection of Iguanodon skeletons, with 29 specimens in one hall, alongside other natural history exhibits. Free under 6.
Mini-EuropeScale models of 350 European landmarks, including Big Ben, the Eiffel Tower and the Alhambra, at 1:25 scale next to the Atomium. Free under 12 with a paying adult. You can buy combined tickets with the Atomium.
Musée Magritte MuseumThe largest collection of René Magritte's surrealist works, with dreamlike paintings of bowler-hatted men, floating apples and burning tubas. Adapted audio guides for ages 6-12 and 12-18.
Royal Gallery of Saint HubertA 19th-century glass-roofed arcade with chocolatiers, bookshops and tea rooms. A short covered walk in any weather, with chocolate-shop windows children enjoy.