Benton Hanner was determined not to spend any money on his 5th grade roller coaster project. With recycled cardboard, foam and the use of a 3D printer, he successfully built a Star Wars-themed rollercoaster and paid “zero dollars” for it. Called “Into the Night,” this rollercoaster features a marble riding down a track supported by 3D printed, plastic pillars. At the end of … [Read more...]