Moira Hughes (left), 6, of Hinsdale and Emma LoDuca, 6, of Hinsdale crawl through a door in their cardboard fort which they decorated with stars and mirrors at the HInsdale Public Library Jan. 2. | Ryan Pagelow~Sun-Times Media

Librarian Tiffany Verzani helps Jack Parkins, 7, of Hinsdale tape a cardboard fort together during a workshop on building forts. | Ryan Pagelow~Sun-Times Media

Faris Siddiqui, 6, of Hinsdale draws turrets, a drawbridge and a "beware the dragon" sign as he designs the fort he will build out of cardboard at the Hinsdale Public Library Jan. 2. | Ryan Pagelow~Sun-Times Media

Moira Hughes (left), 6, and Emma Loduca, 6, classmates at Madison School in Hinsdale, talk inside the cardboard fort they built and named "Red Glow Fort," because the red fleece they used for a roof casts a red glow inside. | Ryan Pagelow~Sun-Times Media

Hinsdale Central junior Melisa Brown, 16, of Hinsdale helps Emma Wang, 5, of Hinsdale put together a cardboard fort. | Ryan Pagelow~Sun-Times Media

Jack Parkins (right), 7, of Hinsdale carries cardboard to add to his fort while Hinsdale Central junior Ada Hui, 16, of Hinsdale helps build another and Zhenghao Li, 7, of Hinsdale and Zac Gilbert, 8, of Hinsdale build their own. | Ryan Pagelow~Sun-Times

John Waldo, 7, of Hinsdale puts together a cardboard fort during a workshop on building forts at the Hinsdale Public Library. | Ryan Pagelow~Sun-Times Media

Librarian Tiffany Verzani shows a miniature version of a cardboard fort and asks kids to design their own during a workshop on building forts at the Hinsdale Public Library. | Ryan Pagelow~Sun-Times Media