Bluetooth Nerf turret (3D printed - Arduino) - YouTube
Raspberry Pi Motion Tracking Gun Turret - Hackster.io
Nerf Gun | Hackaday
Amazon.com: Electric Automatic Toy Guns for Nerf Guns - M416 Auto-Manual Sniper Toy Gun with Scope Bipod - 160 Bullets - Toy Guns for Boys Age 8-12 Kids Toy Gifts for Birthday
Foamland Security: Sibling-Proof Your Stuff With A Nerf Sentry Gun - Make: