This 26 piece braille alphabet set can be played 2-sided— uppercase on one side and lowercase 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, and braille learning. Made of sustainable materials and chemical-free with water-based dyes.