The first ever single track vehicle was the draisene. As far as I know, it was made of the same pre-industrial materials and was technologially similar to horse drawn carts.
So imagine if the balance bicycle, without pedals, had appeared long before the industrial revolution, maybe having been (almost) since the invention of the wheel.
So imagine if the balance bicycle, without pedals, had appeared long before the industrial revolution, maybe having been (almost) since the invention of the wheel.