Kung Zhu™ Special Forces Hamster Rocko is a beige interactive toy hamster with its own unique personality and phrases who, once trained, can fight battles. If he doesn’t know the answer to your question… he’ll Zhu ogle it. Some call him noodle because he has the biggest brain in the bunch. Rock O is in charge of communications and technology. Batteries are included. Suitable for children aged 4 years.