Rainbow fairies are distant relatives of the tooth fairy and the Christmas fairy, but they are a little bit more secretive and only appear when it rains and the sun shines at the same time, you need to look very closely, and you will see them dancing in the sky. The wings of the ...Rainbow fairies are distant relatives of the tooth fairy and the Christmas fairy, but they are a little bit more secretive and only appear when it rains and the sun shines at the same time, you need to look very closely, and you will see them dancing in the sky. The wings of the rainbow fairy have a crinkle fabric to stimulate senses, while the doll is soft and perfect for snuggles.