If you want to know where you are then you just need to wear this Doctor Who Tardis compass necklace.
The necklace has a chrome colored pendant that has the blue Tardis on the front. And if you open the pendant you will see the Doctor Who logo on one side and on the other a real working compass so that you can always find true north.
It has to be that the Tardis has a big compass to because otherwise it would get lost in space and time for sure.
So now you can wear a cool Doctor Who police box necklace with a secret compass inside.
Get your Tardis Compass Pendant Necklace