Participatory photography is often celebrated as a wonderful tool with which to gain insights into children’s lives and perspectives. There are numerous articles in which researchers discuss photos taken by children and claim to have accessed knowledge that would otherwise have remained hidden. In this chapter, I argue that caution should be taken when getting excited about participatory photography with children as, although there are many success stories, the method does not always work or the results are more modest than expected. It should not be assumed that children and teenagers are automatically inspired by photographic projects. Researchers using participatory photography also need to think carefully about what they want to achieve. In this chapter, I first outline what participatory photography projects entail. Then, I describe how I used such a method in my ethnographic research among international children and teenagers in Finland. In particular, I pay attention to the kind of information I gained about the theme of transnational mobility. I argue that although the participatory photography method worked reasonably well with younger children, it was far from successful with teenagers, and that researchers should carefully weigh up whether the method can be fruitful or whether the same information can be gleaned by other means. Finally, I elaborate on issues of power and ethics in this context.