Heat Changing Fuel Gauge Mug

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It may not be as satisfying as filling up your car with fuel, but it almost comes close. As you pour a hot drink, the fuel gauge on the front of the mug starts to fill to reach the level of the liquid within - ensuring you know exactly how much coffee you have before it's time to get another one brewing ☕.

  • Sturdy porcelain construction 
  • Double sided fuel gauge 
  • Trying to fill with fuel is not advised (duh!) 
  • Hand wash only

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