Delaware Code
Subchapter XII. Operation of Bicycles and Other Human-Powered Vehicles; Operation of Electric Personal Assistive Mobility Devices
§ 4198I. Human-powered vehicles defined.

Human-powered vehicles” shall mean that certain class of vehicles which are exclusively human-powered by means of foot pedals and which the driver normally rides astride. Adult cycles are included but all children's cycles are excluded as are all toys and all vehicles of whatever nature that require the driver to place a foot or other object on the ground to cause motion.