Light up your morning with this officially licensed Coffee Mug. As you add your hot coffee or tea, the image appears of the illuminating spell, Lumos Maxima. Also makes a great gift to brighten up someone’s day. The exterior of this officially licensed mug transforms from black as hot liquid is added, revealing the hidden image in full vivid colors. The exterior of this officially licensed mug transforms from black as hot liquid is added, revealing the hidden image in full vivid colors. Please note - While this mug may be used in the dishwasher or microwave, for the longest lasting, highest quality product, they strongly recommend against it.
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