How the Crayons Saved the EarthAge range 3 to 6 What can crayons do to save the planet? Something is happening to our big green and blue Earth! Pollution is making it hard for plants to grow, for animals to play, and for oceans to stay clean. But what can anyone do about it? On a yucky, smoggy day, a box of seven special crayons steps up to help! These peppy crayons are on another adventure to bring friendship, teamwork, and thoughtfulness to the worldbut this time, it's the world