tekst: Barol Karl Drais von Sauerbronn wanted to make a machine so he could walk with greater _______. So, in 1817 he _______ one of the first type of bicycles, called the 'laufmaschine' a German word for 'running machine'. This wooden device didn't have any pedals so the rider used his legs to push the bike forward. But Karl Drais' machine was not _______. In ______ it was not very comfortable at all, _______ for long ______. In the following years, a ______ of bicycle designs ______. The bicycle continued to ______ and become easier to use and more comfortable. _______ bicycles are very popular because they are a cheap form of transport, as well as a good form of exercise.