Butterflies Heat Changing Mug

Butterflies Mug Pour hot water to see colorful butterflies appear. Cool silhouettes transform into classic naturalist illustrations. This heat-transforming mug reveals 18 different species (common and Latin names on the bottom). Witness a beautiful metamorphosis every day! 14 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.