Tickets went on sale for BrickCon's 25th annual convention taking place Sept. 12-13 at the Meydenbauer Center in Bellevue to showcase original adult creations and support children's education. BrickCon Celebrates 25 Years in BellevueWhat we know:BrickCon is celebrating its 25th year as the longest-running LEGO fan convention in the world with this year's theme, "Level 25 Unlocked". Steve Walker, executive director of BrickCon, noted that no other LEGO convention in the world has reached this 25-year milestone. No other LEGO® convention in the world has reached this milestone," Walker said. No other LEGO® convention in the world has reached this milestone," said Steve Walker, executive director of BrickCon.