Carl Kasell pillows (Carannk @ Instagram)

The in­cred­ibly popular “Wait, Wait” swag grew out of the idea to riff on the graduation autograph dog, explains Barbara Sopato, NPR’s director of e-commerce and consumer products.

“The tapings of ‘Wait, Wait,’ really can have this rock-star-crowd feel,” Sopato says.

“I wanted to make something the fans could have signed.”

Because the majority of fans recognize Kasell’s iconic voice but have no idea what he looks like, Barbara and crew thought it would be “fun to stylize his face as art.”

Shoppers will have an opportunity to get their Kasell pillows signed by the radio legend on Saturday at 11 a.m.

Guy Raz of “Weekend All Things Considered,” Lynn Neary, guest host and arts correspondent, and David Greene, host and correspondent of morning programming, will also be present for a meet-and-greet Saturday morning, before “Pop Culture Happy Hour’s” live holiday show at 2 p.m.

There will be live music by “Alt Latino” host Felix Contreras and David Schulman of Dance Exchange, Friday from 6 - 8 p.m., and plenty of time to scoop up coffee mugs, T-shirts or perhaps a Nina Totin’ Bag.

See more photos of sale items below.

NPR tote bags (Carannk @ Instagram)

Bamboo utensil sets and hot sauce packages (Carannk @ Instagram)

Carl Kasell Little Thinker dolls (Carannk @ Instagram)