Design and Validation of an Instrument to Analyse Spatial Thinking in Early Childhood Education. Advances of Research in Mathematics Education, [S. l.], n. 27, p. 87–105, 2025. DOI: 10.35763/aiem27.5937. Disponível em: https://aiem.es/aiem/article/view/v27-nogueira-fernandez-maia. Acesso em: 20 may. 2026.