As seen in the long-running sci-fi BBC series Doctor Who, this collectible is an authentic electronic replica of the all-purpose Sonic Screwdriver used by the Tenth Doctor (played by David Tennant). This hand-held device features lights and sounds taken straight from the series (requires 3x LR44 batteries, included). By moving the switch, collectors can extend and retract the Sonic Screwdriver. Push the second button to activate blue lights and "working" sound effects! Relive the time-traveling adventures of the Tenth Doctor with this officially licensed Doctor Who collectible. A Toynk exclusive!