Captain Calypso's Code
A treasure hunt adventure with puzzles and codes at the Musée des Enfants.
Mabel activities
Indoor ideas for kids in Brussels
Browse 22 indoor ideas ideas in Brussels for 8 Aug to 9 Aug 2026.
22 activities
Long Live Summer Vacation!
Interactive treasure hunts and games at BELvue Museum during summer vacation days.
Museums
Museum visits and exhibitions that work well as flexible family outings.
Climbing & Bouldering
Climbing gyms and bouldering options to compare before choosing a venue.
Modern' Jazz
Children and teens can participate in modern jazz dance classes at Studio 52 Dance Academy.
Initiation Danse
Young children can participate in introductory dance classes at Studio 52 Dance Academy.
Danse Classique - Ballet
Children and teens can participate in classical ballet classes at Studio 52 Dance Academy.
Swimming
Pools and swim-friendly options open today around Brussels.
Indoor Play at CityKids
Children can enjoy a variety of indoor activities like ninja courses, arcade games, and a cinema at CityKids.
Indoor playgrounds
Indoor play spaces where children can climb, slide, jump, and move around.
Sports classes
Recurring sports sessions and classes for active children.
Combat sports
Children and teens can participate in Thai boxing, English boxing, and Jiu-Jitsu classes at Gym Equilibre venues.