After twelve years, Cooper folded up his businesses in St Albans and, with his wife and young children, he moved to Manor Park, Lee. During the day he made here a series of surprising puppet animation pictures for Butcher's Empire Films, which had its studios at the back of his garden. One of his most beautiful animation films was "Cinderella" (1912), which was distributed in hand-coloured versions. In the evenings Cooper, for a while, became manager of a new cinema in Harrow, paying his debts in St Albans.