Instructions How to install the Worker Mod Stefan Short Dart Metal Upgrade Tube Kit for Nerf Alpha Trooper Elite CS-12 Toy? April 15, 2021 Posted by Worker Mod 17 May Worker Mod Stefan Short Dart Metal Upgrade Tube Kit for Nerf Alpha Trooper Elite CS-12 How to install the Worker Mod Stefan Short Dart Metal Upgrade Tube Kit for Nerf Alpha Trooper Elite CS-12