IT'S MAGIC.

Your kids experience the magic of color changing cups with our 4 pack of 12oz tumblers! Just add iced beverages to the cup and watch it instantly change color. These tumblers feature lids that twist on and stay put, and a straw that's perfect for sipping water, smoothies, tea and more. The dual-action lid lets you drink from the straw or directly from the lid. 

• Add iced beverages and the cups will change color!
• Drink from the straw or directly from the lid
• Twist-on lids stay put