A.
A pass that allows multiple entries after 11:00 am from 13 April to 3 October, 2025. Prices are 30,000 yen for adults, 17,000 yen for juniors (12 to 17 years old), and 7,000 yen for children (4 to 11 years old).
https://ticket.expo2025.or.jp/en/faq/
https://ticket.expo2025.or.jp/en/faq/