In downtown Ann Arbor, Michigan, there's this toy robot store,
Liberty Street Robot Supply & Repair. http://onwardrobots.com/
but it's sort of a front for a non-profit writing lab for kids 6-18.
826 National has differently-themed stores in different cities.
* The Greater Boston Bigfoot Research Institute
* Wicker Park Secret Agent Supply Co. (Chicago)
* The Museum of Unnatural History Gift Shop (Washington DC)
* The Time Travel Mart (Los Angeles, two locations)
* Brooklyn Superhero Supply Co. (Brooklyn NY)
* 826 Valencia Pirate Store (San Francisco)
* Liberty Street Robot Supply & Repair (Ann Arbor, Michigan)