what is the statue of liberty made of?

The statue was constructed of copper sheets, hammered into shape by hand and assembled over a framework of four gigantic steel supports, designed by Eugène-Emmanuel Viollet-le-Duc and Alexandre-Gustave Eiffel. 

The Statue of Liberty weighs more than 200 tons, is 46 meters high, and has a 45-meter high base. Her right arm holding the torch is 12.8 meters long, and her index finger is 2.4 meters long. This huge statue was a gift from France to the United States for the 100th anniversary of its independence in 1876. It was designed by the French sculptor Frederick Auguste Bartholdi.

In 1885 the completed statue, 151 feet 1 inch (46 meters) high and weighing 225 tons, was disassembled and shipped to New York City. The pedestal, designed by American architect Richard Morris Hunt and built within the walls of Fort Wood on Bedloe’s Island, was completed later. The statue, mounted on its pedestal, was dedicated by President Grover Cleveland on October 28, 1886. Over the years the torch underwent several modifications, including its conversion to electric power in 1916 and its redesign (with repoussé copper sheathed in gold leaf) in the mid-1980s, when the statue was repaired and restored by both American and French workers for a centennial celebration held in July 1986. The site was added to UNESCO’s World Heritage List in 1984.

The whole bronze statue is framed by 120 tons of steel and 80 tons of copper sheet as the outer skin. It is assembled and fixed on the bracket with 300,000 rivets.