Chapter 2: Minin on the children's wheel during a walk

Previous Chapter 1: Sale of Water from Mars or Letter to Elon Musk: please bring our mars to Mars

The next time walking with a baby stroller, I wondered - why not yet come up with a device that will generate energy from the movement of the wheelchair wheels.

You can imagine how many kilometers a day the stroller is washing. I'm sure this distance will be enough to charge a few smartphones.
If you include fantasy, you can come up with a device that would charge batteries. Such kind of a super-childish-green energy)
Remember in the far 80s-90s there was such a device as a dynamo - you twist the pedals the headlight burns.

And now think if in the near future the time tracking will look like this:

If this device ever will be done, then I think it would be acquired at least for charging the phone.