To celebrate their anniversary, the Museum of Emerging Science and Technology (Miraikan) opens their doors for free on July 9th. They have a few different free entry days based on age, but this one is open to everyone. Note that if this day falls on a Tuesday (their regular closing day) it won’t take place. The other days are:
Free entry for everyone on the Friday and Saturday of Science Week (April)
Free entry for everyone on the Saturday of Education and Culture Week (Nov)
Free for under 18s every Saturday and on Children’s Day (May 5th)
Free for over 65s on Respect the Aged Day (Sept 18th)
Regular admission is ¥620.
To prevent the spread of COVID-19, many events have been canceled. Always check official sites before heading to an event.