Power up essential skills with these popular flash cards. They are fun for games, rich in content and big in results. Introduce, practice and master rhyming words/photo cues; beginning sounds with letters; photos and words; 10 colors and 10 shapes; and number values 0 to 25. Self-checking, two-sided cards feature the answers on backs. Students cannot see through the quick-sorting cards. Each card in the Early Skills Power Pack measures 3-1/2" x 5-1/4".