Cory Bernardi wants Santa to bring the Greens one thing for Christmas: "Common sense".

In response to the party's campaign to stop parents from buying toys that gender stereotype their children, the Liberal Senator says that if boys get Barbie dolls and girls get monster trucks on December 25, the scene will be set for unhappy children "across the country".

The No Gender December campaign is targeting children's toys.

On Tuesday, Greens spokeswoman for women, Larissa Waters, called on gift-giving adults to think about how toys are marketed to children over the festive season.

While Senator Waters said the "starkly separate aisles of pink and blue" might seem harmless, but "setting such strong gender stereotypes at early ages can have long-term impacts, including [on] self-perception and career aspirations."