Solve the puzzles and save the world. Everyone can help preserve our planet, and these 24 " green" activities show how. Appropriate for ages 6 to 8, they focus on recycling, fighting pollution, and other ecology-related activities. Fun-filled puzzles include word searches, secret codes, spot-the-differences, mazes, and more. Solutions included. Free Teacher's Manual available. For grades 1-2, ages 6-8. Book measures 8.25" x 11" .Keeping children entertained and engaged is the key to learning, and the Boost series offers a wide range of fun-filled coloring and activity books that help teach a variety of basic skills. Each title is targeted to a specific grade range and carefully aligned with the Common Core State Standards, which are listed at the bottom of each page.