'Duck Dynasty' inspires greeting cards, cigars and other merchandise

In case your dad doesn’t have enough “Duck Dynasty” gear, Hallmark plans to release a collection of “Dynasty” themed greeting cards—just in time for Father’s Day.

The cards feature the Robertson family and are set to be available in select Walmart stores on June 3, Hallmark announced on Thursday.

And the cards are just the latest merchandise to be modeled after the A&E show. Earlier this month, a company announced they were producing cigars with “Duck Dynasty” packaging, inspired by the reality family and their Duck Commander business.

The hit show, which garnered nearly 10 million viewers for its most recent season finale, has inspired a slew of merchandise, some of which is produced by the Robertson’s themselves.

Since "Duck Dynasty" began airing in March 2012, Willie Robertson said finds at least 70 people waiting in front of the warehouse every morning asking for autographs and photos. Neighbors have complained about the mobs and the police have been called.

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To stop the crowds from disrupting business, and to make extra cash, Robertson said he opened the gift shop inside the Duck Commander warehouse. Items for sale in the shop are also available online.

It's a big change for a company that sells duck calls out of a part-brick, part-cinder block warehouse on a dry, dead-end country road. Duck hunters use the whistles, which mimic duck sounds, to attract their prey.

"We're getting more and more used to it as we go around, seeing people crowded up and wanting a picture or an autograph, and we think it's neat," Willie Robertson said. "We were hoping the show would have that kind of impact, and it has."

"Duck Dynasty" is the most watched documentary-style reality series on TV right now, according to Nielsen. Cameras follow Robertson and his family as they make duck calls, hunt or go camping.

The Associated Press contributed to this report.