Miami Childrens Museum Inspires Children to... Play, Learn, Imagine and Create. The Miami Childrens Museum (MCM) is a 501(c)(3) non-profit educational institution, which meets the needs of all children in our multicultural community. The museum offers interactive exhibits, programs, and learning materials related to arts, culture, community and communication. MCM encourages visitors of all ages to play, learn, imagine, and create together." Miami Childrens Museum is a 56,500 square foot facility is located on Watson Island. It was designed by Arquitectonica International Inc., an award-winning Miami-based architecture and design firm. The building, for and about children, represents the elements of the world; earth, wind, water and fire. The facility includes 14 galleries, a pre-school, a charter school, the KidSmart educational gift shop, a 200-seat auditorium, and a Subway restaurant.