Robot That Will Make You Smile

I am making a robot that will make you smile. It is targeted towards the 4 year old kids. You can only buy it if you are 4 years old or if the parent has a 4 year old child. Here is how it will perform its task. My robot will move with wheels that have tank treads around them so that it can move up and down stairs easily. He also has 2 arms with fingers on the end. To perform his job, he will use his hands to grab your mouth and twist it into a smile, then he will tape it so it stays like that. It moves completely on its own, and detects when you aren't smiling. That is the robot. That is how it will make you smile. The robot performs its task amazingly and never messes up.