The Smalltoe is the world’s smallest motorcycle, created in 2003 by Swedish inventor Tom Bieberg. Although the height is 65mm and the weight is only 1.1kg, it can run at a top speed of 2km/h. It is equipped with a 0.3 horsepower engine and is powered by ethanol. It’s small enough to fit in the palm of your hand, but it’s definitely a motorcycle. This motorcycle holds the Guinness World Record for the smallest motorcycle in the world. Related information can be found here.