Indigo children, according to a pseudoscientific New Age concept, are children who are believed to possess special, unusual, and sometimes supernatural traits or abilities. The idea is based on concepts developed in the 1970s by Nancy Ann Tappe, who wrote that she had been noticing indigo children beginning in the late 1960s. Her ideas were further developed by Lee Carroll and Jan Tober. The concept of indigo children gained popular interest with the publication of a series of books in the late …