Starbucks Winter Cups Are Coming Nov 2 The Krazy Coupon LadyStarbucks loves the color-changing drinkware! Patrons are hooked on the magical cups that change colors color-changing tumblers. Boasting innovative technology, the colorful tumbler switches its hues in the blink of an eye. Our favorite drinkware have become a viral sensation, sparking a frenzy among Starbucks fans. Starbucks knows how to amaze and captivate its devoted clientele with its innovative products. Cheers to Starbucks for adding a touch of magic to our daily coffee ritual with the magical colorful cups!