Dear adults! Before you is a wonderful developing book of series "Simple sciences for kids" with merry, bright, and main - by clear illustrations, what often so does not have to child's editions. This book is presented as follows: here every new turn is the original little opening for a kid in the study of numbers and account, where in an entertaining form evident examples and enthralling tasks are presented with playing now and then for the children of the first years of life. The special attention is accented on the correctly made and neat tasks, that in a playing form will teach a child not only to memorize numbers but also independently to decide examples and tasks on principle from simple to difficult. A book is intended for reading with children, the parents of that aim to find and give to the child only the best, useful and interesting.For preschool age.