Doctor Who Travel Coffee Mug - Dr Who TARDIS Insulated Tumbler Cup - 12 oz If you foresee some exciting adventures in your future - or past - you should acquire one of these Doctor Who TARDIS Flasks to take along on the ride in your TARDIS. Journeys through time and space can make a Time Lord thirsty! Holds up to 12 ounces of liquid. Ages 6 and up.