Teacher Created Resources is an educational publishing company founded by Mary Dupuy Smith a classroom teacher. The concept behind this successful line is that they’re aware first-hand about teaching. All the products are created by teachers for teachers and parents. Use these letters to create bulletin boards classroom centers signs banners and other displays. They punch out easily and are coated for durability. Each letter is 4. Includes: 56 uppercase letters. 10 numbers 0-9. 15 punctuation marks. 81 pieces total.