The Kingdom of God includes people from all over the world, so it makes sense that the resources we use to introduce children to the Scriptures and traditions of the church are also rich with diversity.
Although the average Christian in the world today is a sub-Saharan African woman, and the average overseas missionary is Korean, the majority of children's curriculums are still published in the United States and created with primarily white, middle-class churches in mind. We see this through the many images of Jesus as white and anecdotes that relate primarily to upper or middle class American families. The global church is often only recognized in the context of outreach. For children who are racial minorities in the USA, it's exciting to see pictures of Jesus with skin colors or physical features that look like their own. For children from families who are experiencing poverty, it is important to recognize that they are valued, contributing members of church families. For all children, it's important that resources recognize that "Christian" is not synonymous with "white, middle-class, American".
Worship with Children lessons are focused primariliy on studying Bible passages. However, supplemental material and resources aim to introduce cultural diversity through images collected from religious art created around the world, connect children with their own cultural background through reflective questioning, and foster conversations about the global church. Because guiding questions help children make their own daily-life connections to their own context, the curriculum is appropriate for children coming from a variety of family, socio-economic, and cultural contexts.