The World Economic Forum's Artificial Intelligence for Children Toolkit provides guidance for companies to develop trustworthy AI for children and youth. The toolkit emphasizes the importance of designing AI inclusively to respect the rights of child users and protect them from potential risks. It also highlights the need for child-centered AI, which is both innovative and responsible. The toolkit defines children and youth and discusses social networks and overarching limitations. It provides product team guidelines, foundational principles, and a definition of leading. The toolkit also includes a labeling system for parents and guardians and benefits and risks. The document is published by the World Economic Forum and all rights are reserved.