Sheets 90v & 91r of the Madrid Code include drawings of strange mechanisms that are not linked to the treatise on mechanics & often have no explanatory text Analysing them led to the reconstruction of mechanisms enabling a mysterious animal a mechanical lion to move robotically The lion a gift from Pope Leone X & the town of Florence was taken to Lyon in France on July 12 1515 at the end of a surprising magical walk before the King of France Francis I it stopped knocking some lilies over It can be considered one of the first animallike robots ever built