Nancy Olii Abstract There was one toddler detected of suffering toddler development disorder in the working area of Suwawa Community Health Centre. The cause of toddler development disorder in Bubeya Village is by several factors, one of them is playing environment factor and lack of playing while learning media that can support the children’s motivation. The impact caused by it is the decrease of cognitive development to children. This purpose aims to know whether there is an effect of playing geometry puzzle to the increase of shape recognition cognitive development in children with the age of 24-36 months old in Bubeya Village Bone Bolango District. This research method uses pre experiment design with the approach of one group pretest and post test design. This research uses all children with the age of 24-36 months old in Bubeya Village Suwawa sub-district Bone Bolango district as the population. The sample of this research is 30 respondents by paying attention to inclusion and exclusion criteria. The research result is based on Paired T-Test analysis which shows that there is an effect of playing geometry puzzle to the increase of shape recognition cognitive development in the children with the age of 24-36 months old in Bubeya Village Bone Bolango District. Conclusion: playing geometry puzzle has an effect to the increase of shape recognition cognitive development in children with the age of 24-36 months old in Bubeya Village Bone Bolango District. Keywords: Geometry Puzzle, Cognitive Development, Shape Recognition |