These are vintage My Little Ponies from the 80's turned into My Crystal Ponies. Because of their age, some of them do have minor flaws from being loved previously by another family. Flaws could be discoloration or small marks--see pictures.
All aura crystals have excellent healing energy in the body and are able to cleanse and heal your auric field. They have the ability to calm your body and activate your chakras. These stones are said to attract wealth and success, as well as aid your spiritual growth.