We have covered heat-sensitive mugs here in the past. The Constellation Mug is one of the geekiest ones yet. It has a bunch of well-known constellations that emerge before your eyes as you pour a hot drink into the mug. Includes:
- Cassiopeia
- Perseus
- Sagittarius
- Hercules
- Andromeda
- Scorpius
- Taurus
- Ursa Major
- Ursa Minor
- Orion
- Castor & Pollux
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