A well-designed educational poster of items invented by African-Americans. Did you know that Robert F. Flemming, Jr. invented the guitar in 1866? Huram S. Thomas invented the potato chip in 1865, and Garrett Morgan invented the traffic light in 1923. Great for children, schools, etc. A wonderful educational and trivia tool. 20 famous African-American historical figures and their inventions. Delivery: Unframed. Comes in square box tube or circle tube.