Originally launched around 2012 in DVD format, The Duncan Heritage is now available to watch for FREE! Discover a rich history of a classic toy by joining Duncan Yo-Yo Professionals of the past as they share their memories, history, and heritage of one of the world's most popular toys, the Duncan Yo-Yo. Filmed over a three year period in over ten countries. We would like to thank all the previous Duncan demonstrators worldwide. Without you and passion for the game, the yo-yo world is going to be