Colorful Bath Fun - with the Glibbi color tablets in red, yellow, and blue, every bath becomes a colorful and fun experience! 18 Color Tablets - the set includes a total of 18 color tablets (6 of each color) that dye the bathwater and transform the bathtub into a splendidly colorful scene. Easy to Use - simply toss one or more tablets into the water and watch as the bathwater transforms into a fascinating world of color. Depending on which color tablets are combined, a different bathwater color is created.