CLICK HERE FOR MORE ALPHABET CHARTS: ALPHABET CHARTS ☀️ Cursive, Print, & Cases ☀️ Montessori Moveable AlphabetInitial Letter Sound Control for Montessori Moveable Alphabets This control can be used to help the children remember the letter sounds. Children around the age of 5 and older, who are skilled at identifying initial sounds, and who know at least half the sounds may find this control most useful.This alphabet control chart features the short vowel sounds for the vowels. Short Vowels