Plastic whistles, stretchy men, pencils with rubber toppers, bubbles, balloons and sweets – How do you fill your goody bags for your child’s party? Are you totally anti the concept of handing out obligatory plastic tat … or do you go down the right-on environmental route with a sock filled with a bag of seeds, an educational book or a sugar-free cake mix? Jane speaks to Lucy Parsons mother of two who despairs over party bags and Isabel Thomas, a children’s science writer with three children who is taking steps to change the throw-away culture of children’s parties.