My Puzzles ABC

I have tried many a free/lite version of kids games to see whether it was worth buying or not, I do not expect the whole game, i get that it is a trial version, however this game gives you TWO letters, a and g. If you click on the others it automatically wants to confirm your in app purchase. I really abhor that on children's games. It makes it entirely too easy for my small children to make a purchase I did not want. Two letters is not enough for me to gauge their actual interest in the game either.