Learn how to sort with this engaging, colorful science reader! 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 title 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 reader 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.