At first, it's only purpose was to launch the capital appeal to build the new Bristol Children’s Hospital, but in 2000, it expanded to support sick children in hospital and hospices in Bristol, Sheffield, Cardiff, Nottingham, Leicester, Manchester, Stockton-on-Tees and Newcastle. In 2003, Wrong Trousers Day became a national event supporting children's healthcare in the UK through the creation of Wallace & Gromit’s Children’s Foundation.