Mars High Relief planet to see and touch the highest and the deepest locations in the solar system. You can easily find the Olympus Mons and the Valles marineris but there many interesting locations to find.
The elevation it is exagerated to make clearly the surface details.
The model is higly detailed you can scalate it to obtain bigger model, Its hollow inside, the surface is up to 4mm thick.
Elevation data it is based on information available on USGS Astrogeology Science Center using the digital elevation model (DEM) data derived from the Mars Orbiter Laser Altimeter (MOLA), an instrument aboard NASA’s Mars Global Surveyor spacecraft (MGS), and the High-Resolution Stereo Camera (HRSC), an instrument aboard the European Space Agency’s Mars Express (MEX) spacecraft.
You can find all the details in the following link: