In 2021, a special post-corona ISCWeB wave was organised that specifically addressed the impact of COVID-19 in young children. In Flanders, we surveyed 2449 children for this purpose. For this, we contacted the 50 schools that also participated in a previous wave of the ISCWeB survey, specifically the ISCWeB 2018. This gives us a unique perspective on how young children in Flanders have experienced the corona crisis, and how different aspects of their well-being and living environment have evolved compared to 2018.