PRESS PHOTO COURTESY RICHARD KULPNorthwestern Lehigh Middle School eighth grade had eight students participate in a K'Nex building challenge at Carbon Lehigh Intermediate Unit 21 in April. They had to build an amusement-park ride out of just K'NEXs. The team of Ryan Baker, Gavin Keenhold, Michael Rader and Josiah Allred took third place in the competition.