For investigation of geomorphologic and geographic features and their impact on the activities of man, this model shows physical features such as volcanoes, mountains, bodies of water, plains and deserts are shown in relief and cross section in addition to cultural features like cities, canals, airports and highways. Made of plastic and realistically colored in detail. Reinforced for durability, it may be wiped clean with a damp cloth. Eight pieces fit together to form a continuous model 0.9 m in diameter. An informative, illustrated study guide is included.