Berlin city. Pioneers in the Museum of I.V. Stalin. The guide tells the German children about the life of I. V. Stalin. The guys are looking at pictures, documents. German guys sew costumes for the New Year's performance, make crafts in a circle, watch the work of a toy railroad. Children ride a carousel. Pioneers decorate the Christmas tree. The pioneers hang the birdhouses they made on the trees. Guys at volleyball training. Moments of volleyball teams from two different German schools. City of Tartu. Soviet pioneers on an excursion to the observatory. The guys get acquainted with the work of a large telescope.