I attended the Twin Cities incarnation yesterday and came away quite let down — many of the attractions listed in the website simply weren’t there. There were cool models on display and loads of overpriced vendors — all typical for the fan events I’ve been to — but Brick Convention advertises itself as an all-ages event with hands-on activities, including a “brick pit” where kids can play around. None of that was present yesterday. I asked a staffer about it and he said there was no room in...