Derby the dog
Media playback is unsupported on your device

The dog with 3D printed legs and other highlights

BBC Click's Spencer Kelly looks at some of the best of the week's technology - including the Christmas lights that play to the song Let It Go and the dog that is able to walk due to 3D printing.

More at and @BBCClick.

  • 19 Dec 2014
Go to next video: 3D printed dress ready for catwalk