Cheongju Land Children's Experience Hall lists October 1–December 31, 2026 as its visitor period. Online group applications run from August 1 at 10:00 until December 29 at 18:00. It opens Tuesday–Sunday from 10:00 to 17:30, with closures on Mondays, January 1, Lunar New Year and Chuseok day (a public-holiday Monday is followed by a weekday closure). The three sessions are 10:00–12:00, 13:00–15:00 and 15:30–17:30, each with a capacity of 300. Individual visitors cannot book online and must buy tickets on arrival. Group online booking and the KRW 3,000 per-person group rate are restricted to groups with at least 20 PAYING admissions, excluding exempt visitors and children under 36 months. Standard individual admission is KRW 4,000 for those aged 36 months and up; under-36-month children enter free with age documentation. Other exemptions likewise require proof. The total shown at the final online booking step may be the undiscounted amount; groups pay on site based on the number actually attending. Bring the original group-application form stamped by the institution head or email it in advance. Without the form and official stamp, group discounts or exemptions may not apply. Address: 171 Myeongam-ro, Sangdang-gu, Cheongju; phone 043-201-4890.