Kikkerland Battery Morph Mug - 704728 by

Item description: This Mugs and Drinkware product is by - Are you fully charged? Find out with this 11 oz. porcelain mug. Add a hot beverage and watch the battery graphic morph before your eyes to indicate fully charged. As beverage cools, the graphic morphs back to its original state. Hand wash gently with soap and water only, do not soak for extended periods of time, do not use a scouring agent, do not microwave.
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