lightweight & electric backpack helicopter 'copterpack' flies with self-leveling autopilot
Object of Intrigue: Backpack Helicopters - Atlas Obscura
Vtg Fisher Price Rescue Heroes Helicopter Metallic Red Backpack Style Works | eBay
Amazon.com: XIAOKEKE Drone for Kids and Beginners RC Helicopter Plane with Auto Hovering, 3D Flip, Headless Mode, Toys for Boys and Girls, with 4K Camera, High-Definition Shooting,Backpack : Toys & Games