Put this device in the "we wouldn't want everyone to know we like it" category (oops...guess we just did), a nerdy-tech devices we'd hide away when certain more "mature" guests are over. Straight out of Hogwart's, the Kymera Magic Wand Universal TV Remote gives you the magical ability to change channels at the flick of the wrist (shouting out "Presto Change-o!" is optional).
Works similar to a Nintendo Wii remote, with a built-in accelerometer that recognizes a flick to the left and right to skip tracks, up and down for channel surfing and a circular motion to increase or decrease volume. Sure to be a holiday gift hit with the Potter set for about $81 US from, where else, The Wand Company.