Planet Heat-Changing Mug

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Pore over your pour-over! This mug features beautiful original portraits of our solar system, and every time you enjoy a hot cup of coffee or cocoa, you can learn about each planet . As 19th century astronomer Maria Mitchell wrote, "You cannot study anything persistently for years without becoming learned..." Perfect for any hot beverage: coffee, tea, hot chocolate, pumpkin spiced beverage. • 12 oz. Ceramic coffee cup with a comfortable handle. • All of our disappearing mugs come in a beautifully designed, colorful box. • Heat activated color changing mugs are microwave safe, but not dishwasher safe. Hand wash only. Don't soak. Show more