Lacing alphabets teach children hand and eye coordination, which is one of the most basic skills that needs to be mastered as a youngster. This set will help visual discrimination, visual closure, concentration, letter recognition, sorting, and will also teach colors. The vowels are in yellow and the colors of the consonants are red, blue and green. Please use only with adult supervision. Details: 4.25" Vowels are yellow Consonants are red, blue and green For ages 3 and up Contents: 52 letters (26 uppercase and 26 lowercase) 16 laces