Do you remember those building toys called K'Nex? Well an engineering student at the University of Colorado (CU) named Andrew most certainly does. He actually managed to build a fully-functional pinball machine using only the tools available from the plastic building toy. Andrew spent over four months meticulously planning and building his K'Nex pinball machine that has functioning flippers and a plunger that is capable of launching the ball into the field of play. It also has a small gearbox that powers the two small chain lifts that help move the ball between the different features of the table.
Read the full article: Engineering student shows off pinball machine made completely out of K'Nex