The Museum Night ticket is valid from 7pm until 2am for all participating museums. What’s more, it can also be used for the special museum boats and buses running between the museums and will get you a discount on the entry fee of clubs organising n8-afterparties.
Tickets are for sale at all Ticket Service pre-sale points. You can also order your tickets online, through www.ticketservice.nl (until 9 days before the event) and by phone (+31) 0900-3001250 (until 3 days before the event).
Have a look at www.n8.nl for more information.