Starbucks Plastic Holiday 2021 Limited Color Changing Sbucks loves their colorful cups! Customers are hooked on the magical cups that change colors color-changing tumblers. With its innovative features, the starbucks color changing cup shades its hues in an instant. They have become popular on social media, fueling a frenzy among Starbucks fans. The coffee giant knows how to amaze and captivate its devoted fanbase with its innovative products. Cheers to Starbucks for bringing magic to our caffeine fix with the starbucks color changing cup!