Shown here is a one-tube radio kit covering the broadcast band, from the Gaertner Co. of Los Angeles. The battery version was $6.95, and there was also an AC version for $8.95.

It was shown in the November 1955 issue of Popular Electronics, which stated that it could be assembled readily by someone with no previous knowledge of electronics.  The address for more information was  A & M Company, 616 S. Serrano Ave., Los Angeles.