This study reveals the effectiveness of the project-based learning (PjBL) model through seven steps of application. The application of the PjBL model in this study was carried out at the Yadiaksa Integrated Islamic Kindergarten. Before applying the seven steps of the PjBL model in kindergartens, this model has been validated by validators and declared valid for use in kindergartens. The seven steps of PjBL can be used in the learning process in kindergarten. The seven steps consist of: (1) essential questions, (2) Ignite project ideas through technology or educational games, (3) Drawing up a plans project on propose, (4) create project schedules, (5) guiding children when implementing projects, (6) assessing project results through percentages, and (7) evaluating children's experience and development. It found one steps which modify from six steps based on expert perspective. The application of the seven-step PjBL model shows that the model is effective and practical for improving child development in kindergarten.