Like having two globes in one, with the light off, political features can be seen and once the light is turned on, physical features appear. More than 3500 place names are offered including continents, countries, cities, bodies of water and ocean data. Internal light illuminates the topographical map and without light you see the political map. Pedestal base holds orb steady while you spin. Choose a 12- or 14-inch diameter for this unique learning tool.