The Stair Stepping Smarter Cart

This cart looks like it has way too many wheels until you see it climb stairs. It’s pretty genius, why didn’t we think of that !?
This is the collapsible cart with three tires on each end that “walk” up and down stairs to effortlessly transport loads up to 100 lbs. Unlike a traditional two-wheeled handcart which requires its porter to support the weight while scaling a curb or bumping from stair tread to tread, this patented six-wheeled cart keeps four wheels on the ground at all times.

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