The Children's Museum at the National Museum of Korea offers free visits through online reservations. Do not assume that free admission means you can get a ticket at the entrance.
1. Reservation window Individual bookings open at midnight 14 days before the intended visit. The official rules allow up to five tickets in one reservation and one visit per person per day (including group bookings). Groups of 10–220 must use the separate group-booking section and follow its eligibility rules.
2. Adults and children Visitors without children, and children without adult guardians, are restricted from admission. Babies under 36 months also need their own reservations. Include the full party in your headcount.
3. Entry on the day There is no on-site ticket issuance. Staff check the mobile ticket at the Children's Museum entrance. Arriving too late after a session begins can automatically cancel the booking.
4. Late arrivals and changes The official page checked on October 30, 2026, says reservations are automatically cancelled if a visitor has not entered within 30 minutes of the session start, and a no-show can cause a 60-day restriction. A separate notice says that for visits on or after December 15, 2026, the automatic cancellation threshold will change to 20 minutes. Check which rule applies to your visit date.
5. Final checks Confirm the selected session, number of tickets, mobile confirmation and arrival time. Organized groups have different weekday, documentation and school-holiday rules.