Engineering a cardboard chair

July 16, 2010 | 9:53 p.m. CDT
Peeking through a piece of cardboard, Cameron Craig, 12, watches a classmate measure exactly where the slots should go to attach the headrest to their cardboard chair on Friday, the last day of summer school in Columbia. The project was part of a class called "Cardboard Engineering" held at Lange Middle School. "You can actually sit on these. We've tested them out," Craig said. "They work really well."

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