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The long-running British science fiction television series Doctor Who has since its beginnings in 1963 generated many hundreds of products related to the show, from toys and games to picture cards and postage stamps. This article is not an exhaustive list of merchandise but attempts to present a flavour of the type of material that has been produced. This entry mainly concentrates on "official" spin-offs, that is to say, material sanctioned by the British Broadcasting Corporation, which produces the series.