School Zone Three Letter Words Puzzle Cards for kids contain 54 colorful cards that children put together in sets of 3 to create a picture. Can you make a cow? It's as simple as combining 3 letters. C-o-w! Imagine the joy your child will have learning pre-reading skills and building simple words by piecing together pictures. These puzzle cards help children learn alphabet letters and words to get them ready for reading. These self-correcting cards can be turned over for more pictures and concepts as well! This kind of enjoyable reinforcement learning is perfect as both a school aid, or as a great addition to your kids homeschool curriculum. This flashcard set is intended for preschool kids ages 3 and above.