Build a Mars Express Model Mars Express is orbiting around Mars looking for water and studying the planet's atmosphere, the structure and geology. Have a go at building your own Mars Express!   Model instructions: Click to open the Mars Express model and instructions (PDF document) Save the downloaded file on your computer Mars Express model instructions only (Word document)       Last update: 5 October 2007 - More on Mars  •  Life on Mars (http://www.esa.int/esaKIDSen/SEMR09WJD1E_OurUniverse_0.html)  •  Mars' valleys and volcanoes (http://www.esa.int/esaKIDSen/SEMQ87WJD1E_OurUniverse_0.html)  •  Phobos and Deimos (http://www.esa.int/esaKIDSen/SEM4Q6WJD1E_OurUniverse_0.html)  •  Mars - the red planet (http://www.esa.int/esaKIDSen/SEM3L6WJD1E_OurUniverse_0.html)  •  Water on Mars (http://www.esa.int/esaKIDSen/SEMZH6WJD1E_OurUniverse_0.html)  •  Radar’s icy echoes on Mars (http://www.esa.int/esaKIDSen/SEM1NOQ08ZE_OurUniverse_0.html)