Create crazy color blends with Blendy Pens! Use the 6 Blendy Pens to create 15 different blended colors! This Blendy Pens poster book features Mickey Mouse and friends. Color the posters to reveal hidden images and to show off your color blending skills! Creating color fusion is easy! Just choose two Blendy Pens and place both tips into the Color Fusion Chamber. Hold the joined pens in a vertical position for at least 5 sections, then color! The bottom pen is charged with the top pen"s color. Contents include 24 Blendy posters, 6 Blendy pens, and 3 fusion chambers. For ages 4 and up.