Build sight-word mastery with this color-coded learning system that facilitates sight-word mastery while students work at their own pace. Words are bold on one side and outlined on the other. Durable cards are 4" x 2 1/2" with drilled holes. Set includes 162 cards and 2 sorting rings. For over 50 years, hand2mind has encouraged hands-on learning and discovery, driving deeper understanding and helping children unlock their full potential. Hand2mind specializes in literacy activities and products designed to help students learn by doing. With products designed to help students with reading comprehension, sentence building, phonics for toddlers and more. We're also a leader in autism learning materials and dyslexic tools for kids who have a tougher time getting started with reading. From early reading to advanced reading, hand2mind has you covered with products designed to enhance learning in the classroom and the world around us. Through hands-on exploration and discovery we strive to find new ways to encourage students in math practice, literacy activities, STEM education and more!