LIBROS DEL AUTOR: walter buehr

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  • The First Book of Machines
    Walter Buehr
    How do cranes lift heavy loads? What makes a car move? Walter Buehr’s The First Book of Machines introduces children to the fascinating mechanics behind everyday tools and vehicles. The book explores the six simple machines-the inclined plane, wedge, lever, wheel and axle, screw, and pulley-and demonstrates how they combine to create complex machinery. Through detailed illustra...
    Disponible

    15,60 €