Kids played educational games, figured out riddles, recited poems and sang songs. Eco-classes were held in pre-school educational institutions "Svetoforik" and "Skazka" in Buinsk. The event was attended by employees of the Zavolzhsky Territorial Administration of the Ministry of Ecology and Natural Resources of the Republic of Tatarstan. During the lesson, the children were also shown a thematic presentation "The Earth is our common home".