Some of the eye catching cows , more than 50, created by schoolchildren who took out prizes at the recent Darwin Show . The Humpty Doo Brahmin cow was made from paperbark. It seems each school was given a wooden frame and the children turned it into a beast of their making , using a variety of materials and artwork. The Northern Territory Grand Champion announced by the Northern Territory Cattlemen's Association was the product of the Bulla Primary School.