Published May 17, 2012, 12:00 AM
Photo Gallery: Marketplace for Kids 2012
Elementary students put their inventions on display
Zak Catlendar, a fourth-grade student at St. Joseph's School, shows his Heart in a Box idea to prolong the viability of transplant hearts during the Marketplace for Kids Education Day held Thursday, May 17, 2012, at Minnesota State Univeristy Moorhead.
Michael Vosburg / Forum Photo Editor

