ChasingProps.com

In Season 1 Episode 13 "Bat Jar Conjecture", Leonard gives Sheldon a Batman cookie jar to ease the news that the guys decided to kick Sheldon out of their Physics Bowl team and luckily Sheldon really likes the present.

There has been all sorts of online speculation about what this cool prop is, that hangs on a beam in the back of Sheldon and Leonards apartment.

The Yoda and Chewbacca mugs Raj and Stuart were was drinking out of when they were hanging out in the episode "The Date Night Variable". There doesnt seem to be a retailer still selling them, but you can find them quite easy on sites like ebay or amazon. Just search for "Galerie Ceramic Yoda (or Chewbacca) Star Wars Goblet" You can also try mug, cup etc

This "Electromagnetic Spectrum Chart" shows a wide range of technical information which is related to physics, chemistry, optics, and electronics.

One particular artist that seems to pop up around Sheldon and Leonard's apartment alot is Eric Joyner.

Penny's Quilt and Bedding is from Anthropologie and is a style called "Kumala Rose Bedding". Unfortunately they seem to be out of stock for this particular style, but if you search Ebay for it Im sure you'll find something! Good Luck

The best DNA model on the market has gone to such well known Institutions like, IBM, Bill Clinton Museum, Houston Museum of Nat. Sci.; and now Hollywood in "The Big Bang Theory" .

This Big Bang Theory Poster hangs in the hallway between Sheldon and Leonards room (correct me if Im wrong!) and has sparked alot of interest on the internet.

"Defend and Protect" Poster in Leonards Bedroom

The radio is made by "Spirit of St. Louis", it is a "Field Radio" model...they make lots of variations and go for the retro style inspired by the famous trans-Atlantic airplane.

This cute "Big Bang Theory" Prop  is an amusing poster for Petre Devos beer, a Flemish brew made in the village of Oudenaard or "Audenaerde".

This popular painting is from artist Dan Gottsegen.

Sheldons cushion looks exactly like a "Potter Barn" Pillow shown to the left here. They seem to be out of stock for this particular style, but if you search ebay for Pottery Barn Pillows/Cushions (Possibly Outdoor/Beach style) I could be wrong about this, but its the closest Ive found so far. Good Luck!

You can see this prop, the "Rockem-Sockem" poster, in the Sheldon and Leonard's Living Room on a back door.

This awesome wooden chair, that Howard is sitting on in this picture is called a "Bankers Chair".

Sheldons T-Shirts

Weta Workshop and DC Direct: Superman Returns: Daily Planet Statue