Rube Goldberg's big book of building : make 25 machines that really work!
Written by the famed inventor's granddaughter herself for builders of all ages, this is the only official guide to building 25 kid-friendly Rube Goldberg Machines at home. To build a Rube Goldberg Machine, all you need is a pile of junk and a great imagination. Rube Goldberg's granddaughter, Jennifer George, has teamed up with world-renowned Rube Goldberg machine builder Zach Umperovitch to show us just how true that is in this comprehensive guid...