Sheldon's Yellow Hawkman T-Shirt From Big Bang Theory

This yellow hawkman t shirts was worn by Sheldon in Season 3, Episode 22 (The Staircase Implementation), Season 4, Episode 6 (The Irish Pub Formulation) and Season 5, Episode 14 (The Friendship Contraction). It could be bought from amazon now:

Cool nerd gadget SOHCAHTOA Messenger Bag

nerd gadget SOHCAHTOA Messenger Bag

This SOHCAHTOA Messenger Bag has a SOHCAHTOA on.From school, to carrying your laptop, to a hip alternative diaper bag, our versatile, spacious SOHCAHTOA Messenger Bag bag is practically all you need to get you through every stage of your life -- and look hip doing it.