The Museum of Science and Industry will be closed Wednesday for “unplanned museum maintenance.”

People who bought advance tickets will get refunds, the museum said. To re-book a reservation, call (773) 684-1414.

The museum will reopen Thursday for its “spring break” operating hours of 9:30 a.m. to 5:30 p.m.

Regular operating hours of 9:30 a.m. to 4 p.m. will resume Monday at the museum at 5700 S. DuSable Lake Shore Drive.