'Disappearing' Constellation Mug

Unemployed Philosophers Guild

Unless you live in a rural area, chances are that you don’t look at the stars as often as you like. (Light pollution is real.) But drink from this mug and you’ll see 11 constellations appear before your eyes—even when it’s the middle of the day. The “disappearing” stars mug has the likes of Ursa Major, Ursa Minor, Orion, and more hidden beneath its surface when the vessel is cold. But pour a hot beverage in it and you’ll see the star formations come to life. Each is labeled, so the next time you find yourself stargazing for real, you’ll be able to identify Hercules from Andromeda.


  • Constellation Mug holds 10 ounces of liquid.
  • When hot liquid is poured into this mug, 11 constellations will appear. They are: Cassiopeia, Perseus, Sagittarius, Hercules, Andromeda, Scorpio, Taurus, Ursa Major, Ursa Minor, Orion, Castor & Pollux. Once the mug cools down, the star formations will disappear again.
  • Due to the nature of this mug, it is not dishwasher safe but is microwave safe.

About Unemployed Philosophers Guild

Founded in 2011, the Unemployed Philosophers Guild contends that “the unexamined gift is not worth giving” and creates items that fulfill people’s needs for finger puppets, warm slippers, coffee mugs, and above all, laughter.

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