There was an inexhaustible supply of clay for bricks. The cliff along the river provided sandstone, limestone, granite and other minerals. Copper came from the deserts and gold from the upper regions. Egypt was a Sophisticated Society. Egypt was a literary nation.
Today there are many remnants of their hieroglyphic texts.
Some of them date over 1500 years before Moses. They excelled in the arts, including painting, sculpture and making fine jewelry. Egyptians are most remembered for their science and engineering. The Great Pyramid at Gizsa has a 775' per side square base, is 481' tall and is made of 2.5 million blocks each weighing 2.5 tons. By Moses' day, the Temple of Karnak had been built and the Great Sphinx had already been carved.