Third-graders Amelia Cook and Aracelly Baldo of Oak Brook work on tying up the edges on one of the blankets for Operation Linus at Brook Forest School. | Steve Johnston~for Sun-Times Media

Second-grader Elise Rios of Oak Brook finishes a blanket for Operation Linus at Brook Forest School. | Steve Johnston~for Sun-Times Media

A group works its way around a Operation Linus blanket at Brook Forest School. | Steve Johnston~for Sun-Times Media

Second-grader Emma Petrucelli of Oak Brook gets a helping hand from Principal Nina McCabe during Operation Linus. | Steve Johnston~for Sun-Times Media

Brook Forest School's kindergartener Laila Baridi of Oak Brook puts the finishing touches on her group's blanket as she signs her name to the tag that will be attached. | Steve Johnston~for Sun-Times Media