This 26 piece Braille Alphabet set can be played 2-sided; upper case on one side and lower case on the other. Each piece has a letter and Braille symbol that represents each letter in the alphabet. Suitable for children 2 years and up. Each tile measures 2 5/8 x 3 1/4 inches. Large size tiles are easy for little hands to explore the letters and Braille dots. Ideal for spelling, reading, writing, braille learning. Made of sustainable materials and chemical free with water-based dyes.