For married dependents who are under the age of 65 and not blind, you generally must file a federal income tax return if your unearned income was more than $950; if your earned income was over $5,950; or if your gross income was at least $5 and your spouse files a separate return and itemizes deductions.
The Atari 2600 came out in 1977. Originally known as the VCS or  Video Computer System, it was renamed to it's catalog number  (CX-2600) in 1982.
Sears released several versions of the 2600 as the Sears Video Arcade series from 1977 to 1983. These include the Rev. A Heavy Sixer model in 1977, the Rev. B 4 switch model in 1980, and the US version of the Atari 2800 branded as the Sears Video Arcade II in 1983.