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
Arundel marbles (gaps). Arundel marbles The Arundel marbles are a collection of carved Ancient Greek sculptures and inscriptions collected by Thomas Howard, 21st Earl of Arundel in the early seventeenth century, the first such comprehensive collection of its kind in England. They are now in the Ashmolean Museum, Oxford, having been donated in two groups. The bulk of the collection was a gift by Arundel's grandson Henry Howard, 6th Duke of Norfolk in 1667, at the prompting of John Evelyn and John Selden. The remainder were received in a second gift of 1755, when the extravagant 2nd Earl of Pomfret sold back