Theme is the 75 th anniversary of the poet S.YA.Marshaka. Books S.YA.Marshaka at an exhibition in the House Children's Books. Photo Marshak with AP Gaidar, V. Stassov, other artists. SV Mikhalkov read poems about Marshak (synchronously). Pioneers give the poet the flowers. View of the Palace of Culture Observatory plant Likhachev Moscow: members of the group looking through a telescope astronomy, astronomical instruments. Classes circle marine biologists at the central station Yunnatov: Students clean the aquarium, feeding the fish. Type of underwater plants, fish, marine animals of the ocean. Preparing Pioneers for the celebration of the anniversary of the October Revolution of 1917: Students draw on the theme of revolution; piece ensemble performances of amateur "school years" at a concert dedicated to the celebration in the Kremlin Palace of Congresses.