Bagpuss
Media playback is unsupported on your device
Video

Designer Peter Firmin on the mistakes which made Bagpuss

Peter Firmin is one half of the duo behind Bagpuss, The Clangers and Ivor the Engine. Now, eight years after the death of his collaborator Oliver Postgate, a retrospective of their work is taking place at the V&A Museum of Childhood in London.

Go to next video: The Clangers to make TV return