Marcel Broodthaers is one of the most influential representatives of conceptual art. In conceptual art the idea is more important than the work of art itself. With lots of irony and cynicism, he criticises the world of art and museums. This seems to be an educational and scholarly manual for agricultural education, but types of cars accompany the various bovine breeds. This is a play on word and image with which he disrupts the logical western thought and the structured use of language.