ABC Slider Puzzle Game (Alphabet game for first grade pupils)- The Yellow Duck Educational Game Series

ABC Slider Puzzle is a new twist on putting the letters of the alphabet into alphabetical order! Tap on the letter blocks,and then move it up, down, left and right to get them into the correct position. 

Start with letter "A" or "a" in the top left corner and then move across and down. Even older kids will like this puzzle.