[Elsie]

I have THREE of those!!

Well; not THOSE those; but wheels that measure.

A very small one that you can adjust the distance for the correct scale on a map; and then you can roll it along the road, river or trail and see the distance displayed on an LCD window.

A second one for use in a building. A mechanical odometer type counter and a 3” diameter wheel.

And a larger one for outdoor use by rolling it along the ground.

[Daffynition]

I've seen those too, used by police at an accident scene

https://www.alternateforce.net/measwheelwit.html