Although it is less than the size of theme parks such as Everland or Gwacheon Seoul Land, it is a good place for Seoul citizens to visit and relax with their children. Children's Grand Park opened in May 1973. It is 56,552㎡ in size and consists of a green space of green forests and green grass, fulfilling the role of a citizen park as a resting and cultural space for children, teenagers, and the general public. In addition, it is loved as a children's paradise and a living learning and education center equipped with various cultural facilities, zoo and botanical gardens, and play facilities. On May 5, 2009, Children's Grand Park reopened and opened the 'Sea Animal Center', an ecological aquarium where you can observe the underwater life of white bears and seals, and 'Little Animal Village and Parrot Village', a large aviary where you can directly see the ecology of parrots. presents. In addition, a ‘musical fountain’ will be created where the water stream moves up, down, left and right in accordance with the music melody. In the green space in the middle of the park, an outdoor performance hall called 'Neungdong Forest Stage' with 8,000 seats will be built, and in the old octagonal hall, there will be a domestic cartoon character exhibition hall and a children's traffic safety experience center.