“…One of the most important shifts related to research with children was the realization that current health‐related interventions, including drugs, assessment instruments, and devices, were developed with and for adults, and then adapted for use with children either by decreasing the dose or simplifying language and/or including pictures. However, as the recent National Institutes of Health's initiative, No More Hand‐Me‐Down Research , reminds us, children are not little adults, and until we directly engage children in research using approaches that are developed with and for children, we will continue to treat children as little adults (National Institutes of Health, ; National Institutes of Health, National Heart, Lung, and Blood Institute, ; Pemberton, Kaltman, & Pearson, ). This article chronicles our efforts to develop an instrument with and for children—complete with insights, multiple iterations, and missteps along the way.…”