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 remainder of the letters are red, blue and green. Each set has 26 letters and 8 laces. 4-1/4". For 3 years and older.