Eokkaedongmu Storyum is a children's museum located inside the Park Chung-hee Presidential Memorial in Sangam-dong, Mapo-gu, Seoul. It offers a ball pit, mirror maze, climbing wall, and slide, and is suited to children from one to four years old. Admission is free, and visitors must reserve in advance on the website. A visit of one to two hours works well, though the space is small and has few toys and rides.