The Reading Public Museum has an exhibit right now featuring a children's toy.Alongside the "Brick City With Lego Bricks" exhibit is the work of a Berks County woman.Kelly Hoffman got her first set of Legos in 1973, and she was hooked."It's very de-stressing. You just center on what you're creating," she said.She now creates large structures made of thousands of Lego bricks, like a replica of Northeast Middle School in Reading."I think I took the entire region's tan," she said.The model will eventually be on display at the real-life school.Hoffman's studio at GoggleWorks Center for the Arts is filled with Lego bricks and smaller specialty pieces.It took Hoffman two months to create a model of the landmark Reading Pagoda. She first designs on the computer.The horror film fan has also built the Bates house from the movie "Psycho" and the Colonial Theatre in Phoenixville.