LogFAQs > #912093959

It looks to be a SNES controller hooked up to a front-loading NES with a Master System cartridge sticking up from the center of the NES.

From my limited exposure to TBBT, it would seem to me that his childhood would have fallen more into the PS1/Saturn/N64 gen.
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Montreal Expos (1969-2004)
http://www.backloggery.com/Blaqthourne Now playing: Brave Fencer Musashi (PS1) -- started 9/2/2018;