lemons, enough to light a light bulb"Eine Batterie aus Zitronen" (PDF) Zentrale für Unterrichtsmedien im Internet, e.V., official website. Retrieved November 11, 2010 How a cell phone works How solar cells work A stuffed toy "Mouse" flew into outer space and was a "guest" on board the Russian Mir space station, where it appeared in an educational segment. The stuffed toy was later brought back to the producers on earth. A number of the educational segments have also dealt with difficult topics, such as life in Germany in the aftermath of World War II, the Chernobyl nuclear disasterChristine Feil, Handbuch Medienerziehung im Kindergarten. Teil 1. Pädagogische Grundlagen Deutsches Jugendinstitut (1994) . Retrieved November 15, 2010 and death.Linda Wilken, „Ich werde für meine Neugier bezahlt.“ Interview with Christoph Biemann. (2005) Retrieved November 15, 2010 Care is taken to explain things in a way that is comprehensible to young children. Analogies are used to explain concepts, and often everyday items already known to most children are used to illustrate. For example, a segment on the Battle of the Teutoburg Forest was produced using Playmobil figures to represent the three Roman legions involved, a total of 16,500 soldiers. Wanting to convey how large a force that was, the program purchased 16,500 Playmobil toy figures and dressed them up as Roman soldiers, lining them up into columns as they would have appeared in real life. The columns of toy soldiers took up 200 meters.Interview with Armin Maiwald Köln Inside, historical photo archive of the Cologne region. Retrieved November 2, 2010 These toy Roman legions are now housed in three museums in different parts of Germany. A segment on the internet shows messengers running through the hallways of a large building, delivering messages in envelopes (data packets) from the user to servers and back. The hallways represent the data lines and the offices were internet hosts. In just eight minutes, the program accurately describes how the internet functions in a manner simple enough for children to understand. In the case of industrially produced things, each step is shown in great detail, so one can actually see how, for example, a piece of metal is formed by a tool. If something happens too fast for the naked eye it is shown filmed in slow motion. After each step, usually the previous steps including the new one are recapped briefly to help children remember what they already