You won't be able to buy Simon's goggles anywhere. You'd have to make them by scratch. My suggestion is to make the goggles out of craft foam and clear yellow plastic sheets.
[~Future Cosplay Plans~]
Third Doctor [Female] (Doctor Who) - 75%
Takato Matsuki (Digimon Tamers) - 95%
Dipper Pines (Gravity Falls)
Second Doctor [Female] (Doctor Who)
Otakuthon 2013 l Montreal Comic Con 2013 [/color]