Doctor Who (DW) Talking Pen (Blue) Doctor Who fans will absolutely love this Dalek and Cyberman Talking pen! With a push of a button, you can hear sounds from the TV show such as: 'Exterminate!' , Dalek gun sound, and 'You will be deleted!' Requires 3 x 'LR44/AG13/A76' button cell batteries, included. Measures about 6-inches long. Ages 3 and up.