Austin Granger, a University of Minnesota computer science student, built a 40,000 K’Nex ball machine last year. This year, however, he decided to take things to a whole new level: A 100,000 piece K’Nex machine! [tentblogger-youtube KJhoIfiHjVE] [YouTube] It stands a glorious 23 feet tall and took about 250 hours to build. 😀 [via 22 […]