0-36M Baby Vision Stimulation Card Early Education Toy Newborn Visual Learning Book Black and White Contrast Card Montessori Toy

Specification: name: Baby Vision Stimulation card  Size: 20 sheets, 40 sides ;1414cm/5.55.5in 

Tips: 0-3 Month Black and white vision period, only black and white vision, in the fuzzy period of plane vision. 3-6 Month Red sensitive period ,can feel the shape and color of objects Can see the difference between distance and near. 6-12Month Color vision period,gradually can feel the distance, height, left and right of the object in three-dimensional scene. 12-24Month Stereoscopic period,a stage of rapid development of visual observation and cognitive abilities, with a certain resolution.