The children can identify the words that have each diagraph by using the wooden pegs. And The kids can practice many exercises like write the missing sound + find the words +write the words + match . .It can be wiped clean and reused as many as you need . .It can be used with more than one child at the Same time as the cards are separated (not a book) .It's one of the perfect educational resources for the teachers and the parents. .Numbers of cards 8 cards 2 sides .Material :300 Grams thick paper printed with high quality and laminated with cellophane .Size:A4 .Age recommendation :+4 . The set includes the cards + an erasable white board marker