Marble (toy) Required" and "The Colbert Report". Currently, the world's largest manufacturer of playing marbles is Vacor de Mexico. The company makes 90 percent of the world’s marbles. Over 12 million are produced daily. Marbles are also made in China and may contain lead, arsenic, and/or cadmium due to the manufacturing process of old glass. Art marbles are high-quality collectible marbles arising out of the art glass movement. They are sometimes referred to as contemporary glass marbles to differentiate them from collectible antique marbles, and are spherical works of art glass. Collectible contemporary marbles are made mostly in the United States by
Elgin Marbles his famous sonnet about the marbles titled "On Seeing the Elgin Marbles". Notable supporters of Elgin included the painter Benjamin Robert Haydon. A public debate in Parliament followed Elgin's publication, and Parliament again exonerated Elgin's actions. Parliament decided to purchase the marbles for the "British nation" in 1816 by a vote of 82–30 for £35,000. They were deposited in the British Museum, where they were displayed in the Elgin Saloon (constructed in 1832), until the Duveen Gallery was completed in 1939. Crowds packed the British Museum to view the sculptures, setting attendance records for the museum. William Wordsworth viewed the