Larsen Puzzle MemoPuzzle The alphabet with 26 upper and lower case letters(26 letters), 52 pieces With this letter puzzle children learn the alphabet using upper and lower case letters. Printed on the frames, you will find an object that begins with the same letter to help the child with pronunciation and spelling. Pastel colors cover the block of lowercase letters to draw attention and encourage memory and recognition. This puzzle consists of 52 curved, angular pieces, including a mix of upper and lower case letters. For this reason, the memo game can be played without puzzle pieces in the frame. This puzzle is best suited for younger children who are learning the alphabet.