Date: August 10th - 19th.
Time: 10AM - 6PM.
Venue: Tokyo Dome City Prism Hall
An event which focuses on "Gunpla", with display of Gundam related items, experiencing Gundam, sales of limited merchandises and special event. "Gunpla Senshi Gunpla Builder Beginning G" Part A (Episode 1) will also be shown at the event. Admission is free.
Also mentioned is Gunpla Expo Japan Tour, a series of Gunpla events that will visit the major cities in Japan between September this year and March 2011.
Images are from Gunpla 30th Anniversary's official site.