A.
A ticket that allows one entry after 17:00. Prices are 3,700 yen for adults, 2,000 yen for juniors (12 to 17 years old), and 1,000 yen for children (4 to 11 years old).
https://ticket.expo2025.or.jp/en/faq/
https://ticket.expo2025.or.jp/en/faq/