Gallery 1, Metal Stories in Cultural Heritage, at Cheongju National Museum's Children's Museum recommends visits for preschool and primary-school children. It is free and open 09:30–17:30. Entry requires online reservation or on-site kiosk booking, and the kiosk option is available only when places remain. Closed Mondays, 1 January, Lunar New Year's Day and Chuseok Day; when a public holiday falls on Monday, the next weekday closes. Address: 143 Myeongam-ro, Sangdang-gu, Cheongju; phone 043-229-6515.