On September 20th and 21st, 40 children of 4 years and their teachers attended outside in the kindergarten courtyard and the Erasmus Corner, with attractive teaching activities, enjoying the warm days and natural resources of the kindergarten courtyard: they noticed the chestnut from courtyards, yellowed leaves, picked chestnuts into the baskets and they used for math activity: they counted and matched the corresponding figure, placed at the colored tables at the Erasmus corner. Children also showed joy and interest in the sports games they attended with their teachers.