Whether it's stamps, figurines, antiques or toys, plenty of people love collecting. But why? What are the psychological drivers behind the hobby? How much is marketing influencing us, and is there a risk of collecting turning into hoarding? If you enjoy the show or if you have feedback you'd like to share, please check out our survey here . Guests: Sam ToddContent creator and collector Professor Nick NeaveDirector of the Hoarding Research GroupDepartment of Psychology, Northumbria University Associate Professor Louise GrimmerTasmanian School of Business and EconomicsUniversity of Tasmania Credits: Presenter/producer: Sana Qadar Reporter/producer: Rose Kerr Senior producer: James Bullen Sound engineer: Micky Grossman More info: Why They Collect: Collectors Reveal Their Motivations How retailers turn everyday items into 'must-have' collectables