Indonesia is a multicultural country and has a variety of cultures, ethnicities, languages, and religions, so it is very important to introduce toleranceto children from an early age at school. This paper reveals how teachers introduce tolerance in early childhood. This study used a case study research method with a purposive sampling technique, determined three teachers from three schools at the kindergarten level, obtained data through interview and observation techniques, which were then analyzed using the Milles Huberman data analysis technique, namely data collection, data reduction, presentation of data and conclusions. The results of the study show that teachers introduce tolerance in learning through materials, methods, media, and habituation. The limited understanding of teachers about tolerance and ownership of technology media greatly influences teachers in introducing tolerance to children.