Peer collaboration benefits second language (L2) learning and is a cornerstone of effective classroom instruction. It is, therefore, essential for teachers to consider how tasks work to promote peer collaboration and thus maximize learning. These considerations concern the task type, a task's inherent characteristics, and possible ways of task implementation to achieve peer collaboration. The body of research within the Task-based language teaching (TBLT) framework has shown that task-based instruction provides an optimal environment for second language acquisition. However, with regard to young learners (YLs), children from 5 to 12 years of age, the role of tasks in fostering peer collaboration in FL classrooms is not clear-cut. Grounded in research on task-based peer interaction among YLs, this article outlines how tasks enhance peer collaboration in foreign language (FL) classrooms.