26 puzzle centers, one for each letter. Each letter has 12 puzzle cards, except for x and z that have 8 puzzle cards each. These puzzle centers are meant to be laminated and used year after year. Student will puzzle the picture together which also has the uppercase and lowercase version of that letter. This set has set of puzzles for each letter. There is a total of 26 centers. There is also a black and white option for a printer friendly option. Students will match the puzzle together to make the picture that starts with that letter. They are also pairing an uppercase letter with a lowercase letter.