Knock, knock. Who's there? It's Norman, the world's only interactive knock-knock joke doll! Perfect for youngsters discovering the joy of provoking laughter, this adorable 18"-tall redheaded doll recites fifty wholesome jokes, funny ad libs, and anti-bullying messages—simply squeeze his left hand to begin the fun. Norman also has a nap time and night time switch, so kids can cuddle him quietly in bed. Requires three AA batteries (included); for ages 4 and up.