By biotic motor knowledge is meant the basic knowledge of each person that is necessary for his development and progress. This knowledge is conditioned by genes, but it is also learned. This knowledge includes all the knowledge for mastering space, overcoming obstacles, resistance and manipulating objects. The development of all this knowledge in preschool children can be viewed as a basis on which new knowledge will be upgraded in the later period of life. There are more and more children who do not have well-acquired biotic motor skills, as evidenced by the fact that the growing distance from nature. Children spend most of their time in flexion (sitting, watching TV, not playing and not moving), and it is precisely play that is the law of nature because through play children acquire knowledge that they will later implement in life. The solution to the problem would be a large base of biotic motor knowledge that would allow the construction of a larger pyramid, ie easier acquisition of new knowledge. It is therefore necessary to enable all future generations to play in nature in order to become functional and ready to respond to all the demands imposed by the modern way of life. For the purposes of this paper, a study was conducted in the form of systematic observation of preschool children from the Tamaris kindergarten in Vodice.