Omg, it's a tooth fairy door... The suggestion is to install and when your little kid is really young and asks what it is don't tell them and say its a surprise. But once they lose a tooth tell them to put it in the tooth fairy door and the next day it will be gone with a present in its place!(:
My kids are pretty good about helping out around the house without having to resort to monetary rewards, but sometimes a little incentive can go a long way. :-) When my kids are looking to make some extra money...this simple and effective job chart takes all the guesswork out of how they can earn it.