TRANSPORT!

In the early 1800s, a German inventor, Karl von Drais, built a wooden two-wheeler you straddled and pushed with your feet — the "Laufmaschine" (running machine), nicknamed a draisine. No chain, no pedals — you scooted like a kid on a balance bike, but faster on good paths. Tinkerers in France, Scotland, and England then bolted on crank handles to front wheels, inventing a clunky, metal velocipede the newspapers mocked as a "boneshaker" (think wooden wheels + iron roads = drama). Topic 1's wheel is back, but this time you are the only fuel tank.