The Canadian Children's Museum (CCM) is a children's museum and exhibition operated by the Canadian Museum of History in Gatineau, Quebec, Canada. The CCM is among the most popular attractions in the country, attracting about half a million visitors each year. It is also Canada's largest exhibition centre (3,000 m2 (32,000 sq ft)) designed specifically for children up to age 14 and their adult companions. Most of the space is devoted to the museum's permanent exhibition The Great Adventure. The CCM also presents a changing line-up of special exhibitions curated internally or acquired from other institutions.