Big Bang Theory Soft Kitty Crystal Ring Necklace The soft kitty hangs out on your neck! The soft kitty is so pretty. The big bang theory soft kitty crystal ring necklace is great. Not only does it feature a pendant encrusted with sparkling crystals and gems that's been made to look like the face of sheldon cooper's favorite little soft kitty, but it's also a great way to show everyone your fandom for the big bang theory show! Ages 12 and up.