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 a moral argument for returning the Marbles to the temple whence they came, and thus restoring its integrity. "The Guardian" has written that many among those who support repatriation imply that the marbles would be displayed in their original position on the Parthenon. However, the Greek plan is to transfer them from a museum in London to one in Athens. These arguments are perhaps complicated a little by the completion of the new Acropolis Museum in 2009, where the half not removed by Elgin is now displayed, aligned in orientation and within sight of the Parthenon, with the position of