Doctor Who Coffee Mug Disappering Tardis 2014 BBC 2014 Cup Number 1478. Tardis Disappears and reappears in the stars when Hot Liquid added to cup. No Chips Cracks or Crazing.  This mug is in very good condition.  In order to keep the disappearing feature in tact, please wash this mug by hand.  This mug holds about 12 ounces.