The holiday reusable colourchanging cup is back Starbucks Bucks loves the colorful cups! Coffee enthusiasts can't get enough of the starbucks color changing cup. With its innovative technology, the starbucks color changing cup shades its hues instantly. These cups have become a viral sensation, sparking a craze among Starbucks fans. The coffee giant knows how to amaze and captivate its loyal customers with its impressive offerings. Cheers to Starbucks for adding a touch of magic to our daily coffee ritual with the starbucks color changing cup!