MJ Holding is the largest North American distributor of trading cards (gaming, sports, and entertainment) and related trading card supplies. We have been in the trading card distribution business since 1993 with a retail distribution footprint across the United States and Canada. Grin Studios is a toy business all about turning your frown upside down - we make fun stuff at a great value! We design, manufacture and distribute entertainment and owned brand products to major mass retailers. MJH & Grin Studios’ retail partners include Walmart US and Canada, Target, Meijer and a host of other retail partners.