"Knock-Knock" "Who's there?" Its me Norman, the worlds only interactive knock-knock joke telling doll. All kids love knock-knock jokes. Adorable, huggable Norman comes with 50 clean, wholesome jokes, funny ad libs and some anti bullying messages as well. Simply squeeze Normans left hand to start the fun. The child plays along to make the fun happen . Norman is a soft plush boy doll that has a red mop of hair, embroidered features as well as an on/off nap time and night time switch. Takes 3 AA Batteries ( included). Ages 4 and up.