Has your kid always wanted to stay in the Metropolitan Museum of Art after-hours? If so, snag tickets to the instituition's annual pajama party, an exclusive evening (well, late afternoon, actually) of Met-themed fun and games in the Temple of Dendur. Hosted by the Met Family Circle, the event offers kids art activities, sing-alongs, live entertainment and a special dinner. Don't forget to have the kids don PJs. To reserve tickets, call 212-650-2372 or e-mail firstname.lastname@example.org. Ages 2 to 10..