Lacing alphabets teach children coordination between hand and eye which is one of the most basic skills that needs to be mastered as a youngster. Our sets will help visual discrimination, visual closure, concentration, letter recognition, sorting, and will also teach colors. The vowels are yellow and the colors of the consonants are red, blue and green. Includes 52 letters (26 uppercase and 26 lowercase) and 16 laces. Please use only with adult supervision. 4-1/4".