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
Jenna Marbles episode 13, "Adam vs. Eve". She played a banana in "The Annoying Orange" episode "Fake n' Bacon." She played Miley Cyrus in a "Wrecking Ball"–inspired segment of YouTube Rewind 2013. On January 30, she appeared in season four of "Ridiculousness". Marbles appeared as herself in "". Marbles has also professionalized her business affairs by expanding her business and bringing in people to help, including, a personal assistant, a business manager, and her mother (the chief executive officer). Marbles released a brand of dog toys called Kermie Worm & Mr. Marbles. The toys' appearances are based upon her real dogs. She