Outdoor treadmills and elliptical machines are nothing new. We have covered a bunch of them here in the past. The Rollator is a treadmill on wheels with a special gear drive system to multiply your walking effects. It lets you get around your neighborhood while burning calories.
More gadgets like this: here
The design is from OOOMS. Not sure too many people would want to own something like this. What do you think?
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