Bryant Stangel, 13, and Bryan Nam, 12, from Mount Nittany Middle School, work on their catapult to launch a marshmallow during the competitive problem solving at the Pennsylvania Technology Student Association's regional conference at Park Forest Middle School on Saturday, January 31, 2015.
Bryant Stangel, 13, and Bryan Nam, 12, from Mount Nittany Middle School, work on their catapult to launch a marshmallow during the competitive problem solving at the Pennsylvania Technology Student Association's regional conference at Park Forest Middle School on Saturday, January 31, 2015. CDT photo
Bryant Stangel, 13, and Bryan Nam, 12, from Mount Nittany Middle School, work on their catapult to launch a marshmallow during the competitive problem solving at the Pennsylvania Technology Student Association's regional conference at Park Forest Middle School on Saturday, January 31, 2015. CDT photo