Description A new 2019 take on our popular Train mug featuring three different train scenes with more color and scenery. Wonder mugs are color-changing coffee mugs that change dramatically when a hot beverage is added. If you’re looking for a unique and gift for them, what a unique way to remind them of you daily! These unique, high quality gift mugs utilize color-changing or “thermochromatic” ink that changes color when hot beverages are poured into the inside of the mug. Color change gift mugs are ideal for fund raisers, birthday gifts, teacher’s gifts, corporate gifts and more. All mugs are microwaveable. We recommend hand wash only to preserve the magic Wondermug ink.
