First up, the trio competes in "The DIY TARDIS Challenge" to see how well they can work together to build their own "big blue box" and how fast they can get the job done: Now here's a look back at the ...

Watch the video above as a guide and check out some of the extra steps below to make your own bigger-on-the-inside, smaller-on-the-outside TARDIS! You can use this a cosy book nook to decorate your ...