Published On Jul 26, 2014
Queen's University engineering student David Chesney has built a 28 metre-long rollercoaster out of parts and material anybody can get from any hardware store in his parents' Thornhill backyard.
show more
Queen's University engineering student David Chesney has built a 28 metre-long rollercoaster out of parts and material anybody can get from any hardware store in his parents' Thornhill backyard.
