Each set includes 34 pieces: 26 plastic stamps with rubber imprints of lowercase letters a-z and 8 punctuation marks: question mark, dash, parenthesis, ampersand, quotation marks, comma, period and exclamation mark. This set is a hands-on, visual tool to practice reading, writing and spelling. Children can also use these stamps to customize cards, posters, notebooks and more! Stamping activities develop children's fine motor skills, hand-eye coordination and creative expression. Each stamp has a curved handle for easy fingertip grip. The stamps are packaged in a labelled, sectioned case for easy clean-up and storage. For ages 3+. Size of letter stamps: 1"L x 1"W x 1"H. Sold as 2 sets for a total of 68 stamps.