Project Inverter K'nex Ball Machine By Oceanous in LivingLEGO & K'NEX4,009112Introduction: Project Inverter K'nex Ball MachineBy OceanousFollow More by the author: About: (\_/) (o.o) (><) More About Oceanous » It is a K'nex ball machine made using an inverter lift. I did not add on to it due to a lack of pieces. This is version 5.