Spell it out :-)

Best part is when you complete a level the song is, sonic the fighters level complete music AWESOME!!!

I like this idea, and I like that the letter is said aloud when clicking on it. However, the blocks move, and you may wind up accidentally moving a block in the correct spot with a block you are trying to place, thus knocking the first block out of its place. Could be troubling for kids.

I agree the fact that it's a demo is misleading especially in the case of when the child begins to play and enjoy then you feel almost forced to buy. The game itself though is very useful my niece adores it. I agree about the lower and capital case letters this confuses my niece as well.