The Children’s Museum of Indianapolis, located in Indianapolis, Indiana, USA, is the largest children’s museum in the world. It opened on November 24, 1925, and was designed by architectural firms such as Ellerbe Becket and Wright Porteous & Lowe. The museum features five floors of interactive exhibits covering topics like science, culture, history, and the arts. Notable exhibits include the Dinosphere, where children can explore life-size dinosaur fossils, and the ScienceWorks exhibit, which encourages hands-on experimentation.