American Elm 52 Pieces Montessori Alphabet Lower and Upper Case Letters Wooden Educational Toy A to Z Learning PuzzleAmerican Elm Montessori Wooden Alphabet Letters Upper and Lower Case Make learning fun and interactive with the American Elm Montessori Alphabet Letters Set. This educational wooden toy includes 26 lower case and 26 upper case letters, designed to help kids master early literacy skills. Each letter measures 10 cm in height and is made from durable 2. 7mm MDF, making them sturdy and child friendly. Key Features of Our Montessori Alphabet Letters