Pros-
Seeming a lot of content which can be easily navigated by my all most two year old.
Cons-
Buttons designed to help or guide the child user are fair to large and close to the action of the activity.
But worst of all, fair too easy for your child to navigate to this apps buy their other apps page. Your child must only tap the very fun and silly octopus three times which then brings up this apps buy more of their apps page. Unless the wifi is turned off, your your child or ultimately you could unknowingly have bought all of their other apps. There is currently an ongoing class-action suit against apple for this very same reasons. Using children in any manner like this is deceptive, unethical, and should be otherwise obvious which makes this is obviously intentional.