Amazon deploys self-driving delivery robots on sidewalks north of Seattle Inc. has deployed a fleet of self-driving package-delivery robots in Snohomish County.

Operating under the name Amazon Scout, Amazon describes each of the cooler-sized devices as a “fully-electric delivery system … designed to safely get packages to customers using autonomous delivery devices.”

The six-wheeled robot rolls along the sidewalk at a walking pace to its destination, where it opens its lid for package removal.