Preschool teachers Linda Bjällerstedt and Sara Bergström have both been nominated for and received pedagogical awards for their work with the characters and their purpose.

- We know that even small children, as small as these who are between three and five years old, are online.

And then we felt that we have a responsibility, both when it comes to source criticism but also how to "be" online, they say.

For the past two years, it has been written in the preschool curriculum that they must also work to give the children a digital competence.

According to the National Agency for Education, however, it is different how far the preschools have come in their work and how active it is.

See in the clip what it can look like when Fixa and Trixa and Kjell Kritik show up at the preschool.