Learn how to sort with this engaging, colorful science e-book! Follow along as children play "I Spy" to identify objects by color, shape, and more. See how they sort a blue square by color, then by shape. This e-book includes more fun and easy examples to help guide young readers into understanding sorting and categorizing everyday items. With the help of vibrant images and easy-to-read text, students will be engaged from cover to cover! This e-book also includes instructions for an engaging science activity and practice problems to give students additional practice in sorting objects. A helpful glossary and index are also included for support.