When children in the united states lose a tooth they put it under their pillows when they are asleep tooth fairy comes and takes their tooth and puts money in ifs place some children get guarters othere get dollar bills the tooth fairy is not reat the real tooth fairy is the mother or father they sneak in their child s room at night and put the money under the pillow when the children wake up and find the money they think that a real tooth fairy visited them the story about the tooth fairy is folklore it has been passed down for many generations tooth fairies are not real