K'nex Marble Machine By Oceanous in LivingLEGO & K'NEX2,423910Save PDFFavoriteIntroduction: K'nex Marble MachineBy OceanousFollow More by the author: About: (\_/) (o.o) (><) More About Oceanous » A simple k'nex marble machine. I built the lift before building any of the frame, so it doesn't quite fit. The lift is based on the wooden one seen here: http://lumberjocks.com/projects/45472 .