Ahhh!

Isn't that just the cutest little munchkin you ever did see?

It's apparent calm on her face that immediately sets you up to buy this. That the kid won't be refusing it is a joy in itself, wether it works or not.

That's a key point for the parent. How about for the user?

That's the bold and BIG WORDS. After all your mouth will be clean for hours. It's almost submliminal in a way but it puts subtle messages in the overall messages but because the rest of the poster is so loud you don't even think that they are bold, but you take definite note of it instinctively. The small for gives it away.

Good buttons (points of interest, things that pull a reaction in someone) and positioning