Thanks for the feedback!
The monetization is hard to solve. Only thing you can do in the end is to try it out.
Thanks for the tip regarding the "toddler resistant" mode ! We'll consider that for a update.
1up that 'toddler resistant' mode; just got this for my girl's ipad, going to have lots of fun with it and it will be more fun if the music doesn't stop every five seconds because she hit the one button she wasn't supposed to hit again.