Heat Changing Constellation Mug

Watch the constellations appear on this Heat Changing Constellation Mug as you fill this mug up with hot water. See if you can spot some famous constellations right on your coffee mug. This is a delightful way to bring the starry night to your desk and in your kitchen. The mug is heat activated so when you pour in hot liquid, the constellations become visible and disappear as it cools down.  It's like having your own nights sky in the palm of your hands.   There are 11 constellations total that appear on the mug.  Makes an excellent gift for someone who appreciates astronomy. 10oz Ceramic Mug - This mug is perfect for tea, espresso, capuccino, and anything else the star watcher in you desires. Disappearing mugs are microwave safe, hand wash only. Heat Activated - Pour in hot liquid and the constellations magically appear. Includes: Cassiopea, Perseus, Saggitarius, Hercules, Andromeda, Scorpius, Taurus, Ursa Major (Big Dipper), Ursa Minor (Little Dipper), Orion, Gemini. 11 Constellati