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 has also created items with some of her most memorable quotes printed on them (e.g. "what are this"). Marbles also hosts a weekly pop countdown on SiriusXM Hits 1 called "YouTube 15". In 2016, Marbles became an executive producer for "Maximum Ride", a film based on the series of novels of the same name by James Patterson. Marbles does a weekly podcast with her boyfriend Julien Solomita called "The Jenna Julien Podcast" (formerly called "The Jenna and Julien Podcast"). Topics focus on things such as stories growing up, conspiracy theories, YouTubers and other general topics. They sometimes feature other YouTubers