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 million views as of March 2018. She uploads a new video to her YouTube channel every Wednesday or Thursday. Her pseudonym "Jenna Marbles" comes from her mother's complaint that "Mourey," their legal surname, pulled up only Jenna's videos on Google. Jenna's mother was unemployed at the time that Jenna's first video went viral, and was concerned that their content might put off potential employers. The name "Marbles" comes from her dog "Mr. Marbles". , Marbles' YouTube channel had about 18.1 million subscribers and 2.6 billion video views. Marbles appeared as Eve in season 2 of "Epic Rap Battles of History",