A right wing fundamentalist Christian group has warned that Barbie is not just a child’s toy, but also a tool for the “homosexual agenda.”

The Concerned Women for America, a conservative group that “promotes Biblical values,” made the claim based on a survey on the doll’s website, which asked users whether they were “A Boy,” “A Girl” or “I Don’t Know.”

The group claims that the toy’s manufacturer, Mattel, has “overstepped a line” and accused it of joining forces with the “transgender movement.”

“It’s the idea that well, maybe people aren’t born a particular biological sex, or they are but that shouldn’t determine their gender identity,” Bob Knight, the male director of the group said yesterday. “And that’s a very big component of the homosexual activist agenda now.”

Mattel said the reason for the neutral answer was more to do with human error than anything sinister.

Lauren Bruksch, a spokeswoman for Mattel, explained that the inclusion was an oversight, since on all online polls conducted by the company includes a neutral answer for younger children.

Ms Brusksch claimed that the survey was meant to have “I don’t want to say” rather than “I don’t know.”

However, the fundamentalist group has urged its members and supporters to boycott Barbie and other Mattel products as a result of what it claims is Mattel’s “very dangerous” approach.

The dolls of both Barbie and her boyfriend Ken lack gender defining sexual organs.