Amazon.com has been developing a new, fully-electric delivery system – Amazon Scout – designed to safely get packages to customers using autonomous delivery devices.

These devices were created by Amazon, are the size of a small cooler, and roll along sidewalks at a walking pace. They were developed at Amazon's research and development lab in Seattle, ensuring the devices can safely navigate around pets, pedestrians and anything else in their path. Starting today, these devices will begin delivering packages to Amazon's customers in a neighborhood in Snohomish County, Washington.

Amazon customers in Snohomish County order just as they normally would and their Amazon packages will be delivered either by one of Amazon's partner carriers or by Amazon Scout. Customers can shop on the Amazon App or amazon.com and enjoy the same delivery options including free Same-Day, One-Day and Two-Day shipping for Prime members.

Amazon is starting with six Amazon Scout devices, delivering packages Monday through Friday, during daylight hours. The devices will autonomously follow their delivery route but will initially be accompanied by an Amazon employee.