Wondermugs Color Changing Magic Mugs - Wondermugs, WondermugsColor Changing Magic MugsWondermugs® is the brand name of an exciting new line of color-changing coffee mugs that change dramatically when a hot beverage is added. Utilizing stunning graphics, often featuring work by name artists, they make drinking coffee, tea, hot chocolate or soup a whole new experience!See video demonstration below of the Wondermugs: $10 Sale Mugs Sale! Original Summer Sunset Color Changing Mug – Lighthouse sunset $19.95 $10.00 Add to cart Sale! John.