Power up essential skills with this handy pack of our most popular flash cards. Fun games, rich in content, big in results! Introduce, practice, and master rhyming words/photo cues, beginning sounds with letters, photos & words, 10 colors & 10 shapes, and number values 0-25. Self-checking, answers on backs. Quick-sorting, no-see-through cards.Details:Multicolor3.13" x 5.25" card size4 card set (20 two-sided cards per pack)For ages 3 and up