Amazon.com: ANNKIE Toy Gun for Nerf Guns with Scope,3 Modes Burst Automatic Toy Foam Blasters for Boys with 120 Soft Bullets & Goggles,Outdoor Activities Toys for Kids,Teens,Birthday for Boys Age 6+ :
This DIY NERF Rival Minigun Spits Out Foam Balls At 20 Rounds/Sec! - SHOUTS