All-Star FanFest has been an easy sell Globe Staff, 06/25/99 Organizers of the John Hancock All-Star FanFest announced yesterday that tickets are selling quickly, with more than half of the time slots already sold out. FanFest, which features more than 40 exhibits -- many of them interactive -- on two floors, will be at the Hynes Convention Center starting Friday, July 9, through the All-Star Game, Tuesday, July 13. Tickets ($14, $8 for 12-and-under and senior citizens) are sold hourly -- if you buy a ticket for 9 a.m., you have from 9-10 a.m. to enter the Hynes but can stay as long as you want. The following times are still available: Friday: 10 a.m. through 4 p.m.; Saturday: 3 and 4 p.m.; Sunday: 2, 3, and 4 p.m.; Monday and Tuesday: all day. Tickets are available at the Red Sox box office and by phone (617-482-4SOX).