Zhu Zhu Pets Hamsters continue to be the hot toy this holiday season. They are sold out in most stores. Toys R Us promises to have a limited supply of Zhu Zhu hamsters and is even using them to entice shoppers into its stores on Black Friday. Anthony Mason reports for CBS News on the hot toy. He visited Cepia, the small company that makes the robotic hamster toy. Cepia has added three more factories in China to try and keep up with demand. Take a look:
