Amid the books, a push for kids to be more active

David L. Ryan/Globe Staff

Kids, ballerinas from the South Shore Ballet Theatre, who performed at the opening celebration, and a large white rabbit checked out the exhibit.

Exercise at the library? It may sound kid of odd. But organizers of the "Literacise" event today at the Boston Public Library say that when kids exercise, it may make them better able to focus their minds and sit down and read.