This research study aims to find out the positive effects origami can have on child development in preschools. The goal of the study is to familiarize with the origami technique, it’s application in educational activities in preschools and its positive effects on preschool-aged children. The origami technique, the art of folding paper, has been developing for many years in Japan, firstly for religious purposes, and later on as an art discipline and a fun activity for children, as well as adults. Paper spread throughout Europe at the end of the 8th century. The tradition of folding paper in the Western society, less popular than in Japan, caught on mostly in Spain, Latin America and Mexico. Origami is very often used in teaching activities in Croatian preschools and schools. Using the method of analysis it was found that origami was used as00 an art activity in preschools, as and application while storytelling and as classroom decoration. Origami has a big influence on socio-emotional and personality development, psychomotor and speech development, communication, expression and creativity in children. The paper contains observations made during the implementation of the activities in two groups of preschoolers aged 5 and 6. It was observed that the children took a great deal of interest in the origami technique. Children’s paper creations were limited in creativity due to following a set model.