Nerf Vortex Firefly Tech Kit: * Firefly Tech magazine charges 10 glow discs * Magazine adds glow-in-the-dark power to any magazine-fed Vortex blaster (sold separately) * Quick reloading * Includes: 10 glow-in-the-dark discs, 10-disc Firefly Tech magazine and instructions * Requires 4 AA batteries (not included)