Found this for our Doctor Who loving 6 year old instore in Gateshead today. Cheapest I've seen it anywhere else is on Amazon for £10.55.. Also available online.
Travel through time and become the terrifying Dalek Sec! Dalek Sec is the leader of the cult of Skaro and lead the Dalek attack during the Battle of Canary Wharf against the Cybermen. With this awesome Dalek Sec Hybrid Voice Changer Mask your voice will be transformed into that of the cult leader, terrifying everyone around you! Featuring 2 buttons, your Dalek Sec Hybrid mask features two cool play buttons. The first button activates creepy Dalek questions with Dalek Sec Hybrid's reply, while the second button activates the Dalek voice changer function.