Hours of earth-friendly activities that will help children Go Green: coloring, puzzles, and more! The kit contains Endangered Animals Coloring Book — 30 threatened animals; Let's Go Green! — more than 20 ready-to-color scenes; Exploring Ecosystems! An Environmentally Friendly Coloring Book — 30 images; over 75 mazes, crosswords, follow-the-dots, and other puzzles; an 11 x 17 poster; and crayons.