Doctor Who: Sonic Screwdriver Pen

You never know when you might need the most versatile tool in the universe. At the touch of control buttons, this meticulously modeled electronic replica makes authentic sound effects familiar to Doctor Who fans of all ages, and flashes Ultra Violet light. Use the hidden invisible-ink felt-tip pen tip to write secret messages  and decipher them later with the zoom-able UV light. Perfect for intercepting Cyberman signals, repairing time-travel ships and escaping from dull environments. Easily transforms into a regular black ballpoint pen. 7” long. Runs on 3 AAA batteries, included. Perfect for all Doctor Who fans, 5 years old and up.