Costco’s cold cup set comes with four of each color: The colors change from orange to red, lime to emerald, sky blue to navy, and. Costco Is Stocked With Color-changing Tumblers For Fun Summer Sipping The Colorful Cold Cups Hold 24 Ounces In A Set Of 1 Costco Cotton Candy Grapes Tumbler @mannahydration is back at costco! Color changing cups costco . You get a dozen cups for just $15. This set of 12 color changing 24oz tumblers, complete with straws and lids, adds a pop of color to summer gatherings and everyday use. Just looking at the bold hues, it’s not hard to see why. So, you’ll get 3 cups of each color in one box. Simply fill tumblers with an iced cold beverage and watch the color of the tumbler change instantly. Lime to emerald, orange to red, sky blue to navy, and pink to purple. Posted by 3 days ago [usa] went to costco for brioche buns walked out with 600 sf of new flooring 😐. Costco has a deal to keep your drinks cold and colorful! The kids and adults w...