Hundreds of French boys and girls will find an unexpected pamphlet accompanying their Christmas presents thanks to a group of French feminists.

According to The Telegraph, French feminist group FièrEs have secretly inserted pamphlets inside children’s toys from plastic guns to Barbie dolls issuing a warning that “this toy is sexist.”

“We targeted games that are emblematic of boy-girl stereotypes,” Delphine Asian, a legal representative for the feminist group, told The Telegraph. “We have caused no damage or ripped any plastic. We simply slipped the message in boxes, or in books.”

“Around 500” of such pamphlets were inserted into a range of toys in about a dozen shops in Paris, according to The Telegraph. The pamphlets requests parents sign a petition and send it to those "responsible."

Asian added that the purpose of the operation was not to “make parents feel guilty,” but to “raise awareness about the fact that toymakers and sellers play a part in the fact that not a single little girl asks Father Christmas for a sword.”

But Frank Mathais of the French toy chain, Grande Récré told The Telegraph that “things have evolved a lot in the past 20 years.” He pointed out that some of the year’s most popular gifts among boys were rainbow loom bracelets.