The US and World Color Transparency set is ideal for school or home. The World transparency identifies all the countries providing national capitols, major cities, longitude/latitude lines, Prime Meridian, International Date Line, and more. The US Transparency identifies each state, the National Capitol, state capitols, major cities, national monuments, national parks, international boundaries, state boundaries, time lines, International Date Line, Continental Divide, and more. This product is ideal for public, private, parochial, and home schools.