Changing Color Mug
This mug will change color as you’re filling it with hot coffee and will be able to determine when it’s cold.
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Specifications
This Coffee Mug changes color completely, not partially! The Changing Color Mug special because when it is empty and cold, it looks like it just has a sleeping face on it. But when you add some hot liquids (coffee/tea/etc), the whole mug brightens, revealing a very awake friendly face on the blue background.
