This document is an introduction to a series of exercises aimed at developing "Kaizen Eyes" - the ability to see opportunities for improvement and lean applications in one's surroundings. It contains 42 photos with brief explanations from the author of how each photo illustrates a lean concept like visual management, standard work, mistake proofing, etc. The introduction explains that analyzing the photos is meant to strengthen the reader's ability to identify such applications in their own environment and think of ways to apply similar improvements.